Question

X+4.(x-1)=9-2(x+3) me ajudem

Answer 1

Resposta:

x = 1

Explicação passo a passo:

x + 4 . (x - 1) = 9 - 2(x + 3)

x + 4x - 4 = 9 - 2(x + 3)

5x - 4 = 9 - 2(x + 3)

5x - 4 = - 2x + 3

5x - 4 + 4 = 0

5x = -2x + 3 + 4

5x = - 2x + 7

5x + 2x = 7 + 2x

7x = 7

x = 7÷7

x = 1