Question

Solve 3x≥12
. Make sure to write your inequality so that x
comes first.

Answer 1

3x ≥ 12

Divide both sides by 3 (positive, so inequality direction stays the same):

x ≥ 4

Check: if x = 4, 3(4) = 12 (true); if x = 5, 3(5) = 15 ≥ 12 (true).