Algebra I Exercises: Equations and Inequalities
By B Horn
Determine whether x = 4 is a solution to each of the following equations or inequalities.
9x + 8 = 44
x + 2 < 5
6 - 2x = 3
4x - 4 ≤ 13
4(9x - 1) = 140
6 ÷ (x - 2)2 > 2
4/x = 1
x2 - 3 = 27
1 + x = 5
2(x2 +5) ≥ 42
8 + [3 (x - 4)3] > 1528