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2 ori x + 37 =79 -14


Răspuns :

2x+37=79-14
2x=65-37
2x=28
x=28:2
x=14
2×x+37=79-14 , 2×x+37=65 , 2×x=65-37 , 2×x=28 , x=28:2 , x=14.