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a) x-18 +55 -68=101


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Răspuns :

Răspuns:

x-18+55-68=101

x-24=101 /+2

x=125

X-18+55-68=101
X-18+55=101+68
X-18+55=169
X-18=169-55
X-18=114
X=114+18
X=132
Succes! Sper ca te am ajutat !