Question

7 x - [ 5x +3 - ( 2x + 1) -10] = - (x +3)

Answer 1

Explicação passo-a-passo:

7x-[5x+3-(2x+1)-10] = -(x+3)

7x-[5x+3-2x-1-10] = -x-3

7x-5x-3+2x+1+10 = -x-3

7x-5x+2x+x = -3+3-1-10

5x = -11

x = -11/5

Espero ter ajudado