Question

Сколько будет : 9(4-2x)=5(3-4x)+4

Answer 1

$36 - 18x = 15 - 20x + 4 \\ 20x - 18x = 15 - 36 + 4 \\ 2x = - 17 \\ x = - 8.5$

Answer 2

36-18x=15-20x+4

2x=-17

x=-8,5