Question

alguém mi ajuda nessa 7(x-1)-2(x-5)=x-5

Answer 1

7(x-1)-2(x-5)=x-5
7x - 7 - 2x + 10 = x - 5
7x - 2x - 7 + 10 = x - 5
5x + 3 = x - 5
5x - x = - 5 - 3
4x = - 8
x = - 8 / 4
x = - 2

Answer 2

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

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

4x=-8

x=-8/4

x=-2