Question 386960
3(x-5)+7=16     Solve and check.
 Sol'n:
 3x-15+7 = 16
 3x-8 = 16
 3x = 16+8
 3x = 24, divide 3 on both side
  x = 8 ----answer

checking:
 3(8-5)+7 = 16
 3(3)+7 = 16
  9+7 = 16
   16 = 16 thus, Q.E.D.