7(x-5)=25 (multiple the 7 by each factor within the bracket)
7(x) - 7(5) = 25
7x - 35 = 25
7x = 25 + 35 ( -35 on left of equal changes sign to +35 when moved to right side of equal)
7x = 60 ( then divide each side by 7 to identify x)
x = 60/7
x = 8 4/7 or 8.571428571