Answer:
13.5
Step-by-step explanation:
fx) =
1. step:
solve the bracket
fx) = 3( - 1) 2 + 5
2. step:
use the BEDMAS form.
divide 1 by 0.8=1.25
4(5-2x) - 3x ≥ 8x-113
20-4x -3x≥ 8x-113
20-7x≥ 8x-113
20+113≥ 8x+7x
133≥ 15x
15x≤ 133
x≤ 133/15
x≤ 8.86