Номер 716 помогииииииииииите

Question

Номер 716 помогииииииииииите

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Answer 1

9x-4x+39=94
5x=94-39
5x=55
x=55:5
x=11
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7y+2y-34=83
9y=83+34
9y=117
y=117:9
y=13