Rearranging the Equation
To solve an equation for a variable, it is often necessary to reorganise the equation.
This is rearranging the equation.
This means we take numbers and variable across the equals (=) sign to get the subject we wish to solve isolated on one side of the equation. We rearrange the equation.
There are two important things to remember;
♦ We can do anything to one side of the equation if we do the same to the other. For example we could add 5 to both sides of the equation and things will stay in balance
♦ If a number or variable is moved to the other side of the equation the operation must be reversed by doing the opposite operation on both sides of the equals sign.
Opposite Operations 

Addition +  Subtraction – 
Multiplication x  Division ÷ 
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