d) 2(x - 5) – (x + 6) = (-7)2
2(x - 5) – (x + 6) = 49
2x - 2 . 5 – x - 6 = 49
2x – x - (2 . 5 + 6) = 49
x(2 - 1) - 16 = 49
x(2 - 1) = 49 + 16
x(2 - 1) = 65
x1 = 65
x = 65
2(x-5)-(x+6)=(-7)2
x.2-5.2-x-6=49
x.2-10-x.1-6=49
x.2-x.1=49+6+10
x(2-1)=65
x.1=65
x=65