If you are given an algebraic formula and asked to make one variable the subject – e.g. make ‘x’ the subject – then you are asked to rewrite the formula so that one side has the variable and the other side has all of the other terms.

Here are a few examples ranging from simple to more complex ones.

**Example 1** – Simple case of making x the subject

**Example 2** – Expand brackets before changing the subject of the formula

**Example 3** – Variable is in both sides of the formula

**Example 4** – Variable is in the denominator

**Example 5** – Variable is in both the numerator and the denominator

If you are given an algebraic formula and asked to make one variable the subject – e.g. make ‘x’ the subject – then you are asked to rewrite the formula so that one side has the variable and the other side has all of the other terms.

Here are a few examples ranging from simple to more complex ones.

Example 1– Simple case of making x the subjectExample 2– Expand brackets before changing the subject of the formulaExample 3– Variable is in both sides of the formulaExample 4– Variable is in the denominatorExample 5– Variable is in both the numerator and the denominator## Nouri Dib