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x + 36 = 79
x = ........................
x =..........
spr. ............................
84 - z = 31
z = ........................
z =..........
58 – x = 17
x - 36 = 54
16 + a = 58
a = ........................
a =..........
42 + x = 85
x - 23 = 22
b + 15 = 40
b = ........................
b =..........
spr. ...................
47 – x = 13
x + 24 = 76
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