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How to rearrange formulae. In order to rearrange formulae: Use inverse operations to move a number, term, or variable. Repeat this process until the remaining variable is the subject.

0:20 4:15 GCSE Maths - How to Rearrange Formulas #48 - YouTube YouTube Start of suggested clip End of suggested clip And just subtract 4 from both sides. Giving us y minus 4 equals 3x. And to get rid of the 3 we justMoreAnd just subtract 4 from both sides. Giving us y minus 4 equals 3x. And to get rid of the 3 we just divide both sides by 3. But importantly it's the whole of the y minus 4 that we're dividing by 3.

Example Rearrange y =11+7x to make x the subject. Solution Starting from y =11+7x we subtract 11 from each side to give y − 11 = 7x. Then, dividing both sides by 7 gives y − 11 7 = x. Finally x = y − 11 7 .

0:20 4:15 GCSE Maths - How to Rearrange Formulas #48 - YouTube YouTube Start of suggested clip End of suggested clip And just subtract 4 from both sides. Giving us y minus 4 equals 3x. And to get rid of the 3 we justMoreAnd just subtract 4 from both sides. Giving us y minus 4 equals 3x. And to get rid of the 3 we just divide both sides by 3. But importantly it's the whole of the y minus 4 that we're dividing by 3.

0:00 20:42 How To Change The Subject of a Formula - GCSE Maths - YouTube YouTube Start of suggested clip End of suggested clip But if you want to show your work you can do it like this. So right now we have y minus a is equalMoreBut if you want to show your work you can do it like this. So right now we have y minus a is equal to x. So now that we have x by itself we're done. So the answer is just x is equal to y minus.

0:00 5:17 Rearranging Linear Equations - YouTube YouTube Start of suggested clip End of suggested clip So for example I have a positive 9x. So what I'll do is subtract 9x from both sides to get thatMoreSo for example I have a positive 9x. So what I'll do is subtract 9x from both sides to get that moved. Over. And you don't necessarily need to show all these steps.

3:08 7:15 How to Rearrange Equations in Chemistry - YouTube YouTube Start of suggested clip End of suggested clip This is a formula you'll see in thermochemistry. We're asked to solve for q. Since we want q to beMoreThis is a formula you'll see in thermochemistry. We're asked to solve for q. Since we want q to be by itself we need to move the w to the opposite. Side by subtracting w from both sides.

Solving by rearranging means you are moving the terms in an equation around to find your answer. When solving by rearranging, remember these rules: Use the opposite operation to move terms from one side to the other. Remember to always do the same operation to both sides of your equation.

0:14 1:12 Rearranging equations 4 division - YouTube YouTube Start of suggested clip End of suggested clip So we'll let B a and we'll end up with B left on this side. So we can write B equals a times C onMoreSo we'll let B a and we'll end up with B left on this side. So we can write B equals a times C on this side. So we have rearranged to make be the subject of this equation.

Identify the variable you need to make the subject of the formula. Isolate the variable – this step may look slightly different depending on the format of the question. Rearrange the equation so each term containing the term you want to be the subject is on one side of the equation – normally the left-hand side.

0:20 4:15 GCSE Maths - How to Rearrange Formulas #48 - YouTube YouTube Start of suggested clip End of suggested clip And just subtract 4 from both sides. Giving us y minus 4 equals 3x. And to get rid of the 3 we justMoreAnd just subtract 4 from both sides. Giving us y minus 4 equals 3x. And to get rid of the 3 we just divide both sides by 3. But importantly it's the whole of the y minus 4 that we're dividing by 3.