156 - ( x + 61 ) = 82
x + 61 = 156 - 82
x + 61 = 74
x = 74 - 61
x = 13
156 - ( x + 61 ) = 82
x + 61 = 156 - 82
x + 61 =74
x = 74 - 61
x = 13
156-(x+61)=82
(x+61)=156-62
x+61=94
x=94-61
x=33
156 - (x + 61) = 82
156 - x - 61 = 82
(156 - 61) - x = 82
95 - x = 82
x = 95 - 82
x = 13
Vậy x = 13
TL:
156 - ( x + 61 ) = 82
x + 61 = 156 - 82
x + 61 = 74
x = 74 - 61
x = 13
Vậy x bằng 13
HT
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