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Changing the Subject - Corbettmaths - YouTube YouTube Start of suggested clip End of suggested clip Remember we did the opposite to both sides. So p take away 2w is just p take away 2w. And on theMoreRemember we did the opposite to both sides. So p take away 2w is just p take away 2w. And on the right hand side we took away 2w to get rid of the plus 2w. So we're just going to be left with 2 l.

Rearranging Formulas - YouTube YouTube Start of suggested clip End of suggested clip The equation reads a equals x times R and we're solving for the variable R. In this case. The firstMoreThe equation reads a equals x times R and we're solving for the variable R. In this case. The first step is to move X from the right hand side to the left hand side right. Now it's multiplying by R.

Transposition (Rearranging Equations) - 1 - YouTube YouTube Start of suggested clip End of suggested clip In a circle. So I don't forget often the question will say transpose. And then it gives you theMoreIn a circle. So I don't forget often the question will say transpose. And then it gives you the equation. Four. And then it gives you a letter. So it might say transpose a y equals X for Y.

GCSE Maths - How to Rearrange Formulas #48 - YouTube YouTube Start of suggested clip End of suggested clip So to get rid of the 4 we take our equation. And just subtract 4 from both sides. Giving us y minusMoreSo to get rid of the 4 we take our equation. And 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.

Changing the Subject - Corbettmaths - YouTube YouTube Start of suggested clip End of suggested clip Is. So here x is the subject. Because on its own so you've got x equals. So x is the subject. HereMoreIs. So here x is the subject. Because on its own so you've got x equals. So x is the subject. Here as a subject it's on its own on one side 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.

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.