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Lesson Summary. Let's review. 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.

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.

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.

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.

To make the subject of the formula, needs to be isolated. In the formula above, the letter is multiplied by . The inverse of multiplying by is dividing by , so divide both sides by to isolate . A = b h ÷ h ÷ h A h = b The letter is now by itself which means is now the subject of the formula.

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.

Rearranging formula: with powers - YouTube YouTube Start of suggested clip End of suggested clip It's only the X it's been Square rooted and as we said before you don't mess with the powers. UntilMoreIt's only the X it's been Square rooted and as we said before you don't mess with the powers. Until you've got the thing with a power in its own.

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.