0.4x+4<0.8x-7

the < has a line under it im supposed to put a inequality symbol and the rest of the answer

1 answer

0.4x+4<0.8x-7
0.4x+4 ≤ 0.8x-7 multiply by 10
4x + 40 ≤ 8x - 70
-4x ≤ 110
x ≥ -55/2 or x ≥ -27.5