Question

5x+6+(x-3)=(5+x)-4.

Answer 1

5х + 6 + ( х - 3 ) = ( 5 + х ) - 4
5х + 6 + х - 3 = 5 + х - 4
5х + х - х = 5 - 4 - 6 + 3
5х = -2
х = ( -2 ) ÷ 5
х = -0,4.
Ответ : х = -0,4.

Удачи))))

Answer 2

$5x + 6 + x - 3 = 5 + x - 4 \\ 5x = - 2 \\ x = \frac{-2}{5} \\ x = -0.4$