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15 + x = 33
x=


80 + x = 43
x=


28 + x = 50
x=


40 + x = 13
x=


73 + x = 27
x=


10 + x = 95
x=


34 + x = 10
x=


45 + x = 34
x=


76 + x = 45
x=


92 + x = 45
x=


53 - x = 57
x=


26 - x = 62
x=


16 - x = 95
x=


19 - x = 6
x=


23 - x = 12
x=


29 - x = 56
x=


27 - x = 72
x=


36 - x = 76
x=


99 - x = 49
x=


15 - x = 25
x=


x - 9 = 20
x=


x - 30 = 34
x=


x - 68 = 43
x=


x - 87 = 75
x=


x - 18 = 43
x=


x - 96 = 79
x=


x - 3 = 75
x=


x - 91 = 56
x=


x - 75 = 99
x=


x - 21 = 97
x=