112
Set up the equation and solve for z: 28 + z = 56 (next, subtract 28 from each side of the equaition to solve) z = 28
56 plus zero
56 + 34 = 90
17 + 39 = 56
1 + 2 + 56 = 59
56 plus 1 equals 57. == ==
x - 56 = 79 x - 56 + 56 = 79 + 56 x = 135
700 + 56
145.
65
121