Question 783764
5 + (X/2) = X - 7
2(5) + 2(X/2) = 2(X -7)
10 + X = 2X -14
10 + 14 = 2X - X
24 = X

check:
5 + (24/2)= 24 - 7
5 + 12 = 17
17 = 17