Question

Solve. Write the solution in interval notation.
9 − 6(x + 2) ≤ 6 + 6(5x + 6)

Answer 1

x ≥ 1.25

Explanation:

9 − 6(x + 2) ≤ 6 + 6(5x + 6)

9 - 6x - 12 ≤ 6 + 30x + 36

-3 - 6x ≤ 42 + 30x

-3 - 36x ≤ 42

-36x ≤ 45

x ≥ 1.25