Question

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-x=-5-10+7
5x-x=-15+7
4x=-8
x=-8/4br />x=-2br />S={-2}

Answer 2

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