Practice Solution Concept in Math

Use these practice problems to test your method after reviewing the concept explanation and worked examples.

Quick Recap

A specific value (or set of values) that makes an equation or inequality true when substituted in for the variable.

The answer to 'what value of x makes this equation true?' — found by solving, confirmed by checking.

Showing a random 20 of 50 problems.

Example 1

medium
Solve 3x+4=2x−5.

Example 2

medium
Is x=−1 a solution of x2+3x+2=0?

Example 3

easy
Solve x4=3.

Example 4

medium
Solve x2−5x+6=0 by factoring.

Example 5

medium
Solve ∣x−2∣=7.

Example 6

easy
Is x=3 a solution of x2−9=0?

Example 7

easy
Is x=0 a solution of 5x=0?

Example 8

medium
Solve 2(x+3)=x+11.

Example 9

challenge
Find all solutions of ∣x−2∣=5 and verify each.

Example 10

medium
Solve 5x−2=3x+8.

Example 11

easy
Solve 2x=8 and check.

Example 12

medium
Is x=8 a solution of 3(x−1)=2x+5?

Example 13

easy
Which of x=−2,x=0,x=2 are solutions of x2=4?

Example 14

easy
Solve x+7=7.

Example 15

medium
Does the equation x+1=x+2 have any solutions?

Example 16

easy
Which values are solutions of x2=16: x=4, x=−4, x=8?

Example 17

challenge
For the equation x2−6x+9=0, find the solution and explain why it counts as one value.

Example 18

easy
Is x=4 a solution of x+3=7?

Example 19

hard
Solve ∣2x−1∣=5.

Example 20

easy
Does x=3 satisfy 2x−5>0?