Решите уравнение 5y+3(7y+18)=106

Question

Решите уравнение
5y+3(7y+18)=106

Answer 1

5y+3(7y+18)=106
5y+21y+126=106
26y=106-126
26y=-20
y=-20/26
y=-10/13

Comments

ой

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не правильно

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5y+21y+54=106

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26y=52

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н=2

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y=2