(3х +5х)умножить ** 18=144 (7у-3у):8=17

Question

(3х +5х)умножить на 18=144

(7у-3у):8=17

Comments

(3х+5х).18=17

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8x.18=17

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7у-3у=4у

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4у÷8=17

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4у=17×8

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4у=136

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У=136÷4

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У=34

Answer 1

( 3х+ 5х)* 18= 144
8х= 144: 18
8х= 8
х= 8: 8
х= 1
( 7у-3у):8= 17
4у= 17*8
4у= 136
у= 136: 4
у= 34

Comments

спасибо

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пожалуйста

Answer 2

3х +5х =8х
8х×18=144
8х=144÷18
8х=8
Х=8÷8
Х=1