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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.

Manipulating functions can be accomplished by remembering one simple rule. In order to keep the equations balanced, you must do the same thing to each side of the equation. Whether it is dividing by 3 or adding 7, as long as you do the same thing to both sides of the equation, it will remain equal, or balanced.

Manipulating Equations and Formula - YouTube YouTube Start of suggested clip End of suggested clip Okay so in this video of what I'm going to do is have a look at manipulating equations or formula.MoreOkay so in this video of what I'm going to do is have a look at manipulating equations or formula. So I'm going to do a lot of examples. And we just run through the procedures for each example. So

Manipulating an equation means that you rearrange the equation so that the unknown you are trying to calculate is on its own on one side of the equation.

RULE #2: to move or cancel a quantity or variable on one side of the equation, perform the "opposite" operation with it on both sides of the equation. For example if you had g-1=w and wanted to isolate g, add 1 to both sides (g-1+1 = w+1). Simplify (because (-1+1)=0) and end up with g = w+1.

Manipulating Equations and Formula - YouTube YouTube Start of suggested clip End of suggested clip X from both sides. So what we're going to do is write down X we'll have two plus 2y on this side weMoreX from both sides. So what we're going to do is write down X we'll have two plus 2y on this side we have the 3z on this side. So what we're going to do is we want to subtract this X to get rid of it

Algebraic manipulation involves rearranging and substituting for variables to obtain an algebraic expression in a desired form. During this rearrangement, the value of the expression does not change.