Question

me ajudem nessa equação 1+2.(3×-4)=3.(5-×)-4

Answer 1

$1 + 6x - 8 = 15 - 3x - 4 \\ 6x + 3x = 15 - 4 - 1 + 8 \\ 9x = 18$
$x = \frac{18}{9} \\ x = 2$

Answer 2

1+2 (3x-4) = 3 (5-x)-4
1+6x-8 = 15-3x - 4
6x-7 = 11-3x
6x+3x = 11+7
9x = 18
x = 18÷9
x=2