Expressions and equations · Grades 9–10
Solve a one-step equation
Free worked example · No account needed
Example question
4x = 28
Work through it
- 1
4x ÷ 4 = 28 ÷ 4
Divide both sides by the same nonzero number to keep the equation balanced and isolate x.
- 2
x = 7
The 4s cancel on the left, and 28 divided by 4 is 7.
Final answer
x = 7