Question

A) 6x -2 + 5x = -20+40

Answer 1

11x-2=20
11x=20+2
11x=22
x=22/11
x=2

Answer 2

$6x -2 + 5x = -20+40 \\ \\ 11x=20+2 \\ \\ 11x=22 \\ \\ x= \dfrac{22}{11} \\ \\ \boxed{x=2}\to Solucion$

Comprobamos:

$6x -2 + 5x = -20+40 \\ \\ 6(2)-2+5(2)=-20+40 \\ \\ 10-2+10=20 \\ \\ 22-2=20 \\ \\ \boxed{\boxed{\bf 20=20}}\quad\checkmark\checkmark Es\ Correcto\ !! \\ \\ Saludos\ Desde\ Venezuela$