Question

resolva as equações.
7(x-1)-2(x-5)=x-5

Answer 1

Olá Salete !

7 ( x - 1 ) - 2 ( x - 5 ) = x - 5
7x - 7 - 2x + 10 = x - 5
7x - 2x - x = - 5 + 7 - 10
4x = - 8
$x = - \frac{8}{4} \\ x = - 2$

Tenha bons estudos !

Answer 2

7(x - 1) - 2(x - 5) = x - 5
7x -7 -2x + 10 = x - 5
7x - 2x - x = -5 + 7 - 10
4x = -8
x = -8/4
x = -2