Pass Check: Solving Equations

Solve equations by doing the same operation to both sides until x is alone.

4 definitions3 to memorise3 common mistakes5 exam questions8-question quiz

Equation

A statement that two expressions are equal, containing an equals sign.

Solve

To find the value of the unknown letter that makes the equation true.

Inverse operation

The opposite operation used to undo another, e.g. subtraction undoes addition.

Solution

The value of the unknown that satisfies the equation.

Quick check

Mixed quiz

1. Solve 5x + 8 = 23.

2. Solve 7x + 10 = 31.

3. Solve 2x + 5 = 11.

4. Which value of x solves 4(x-2) = 2(x+3)?

5. Which equation has solution x = 5?

6. Solve 3(x + 2) = 6(x - 1).

7. Solve 7(x + 2) = 14(x - 1).

8. Solve 4x + 7 = 19.