Решите уровнения 9х+8x=136 38x-25х+18х=200

Question

Решите уровнения
9х+8x=136
38x-25х+18х=200

Answer 1

9x +8x=136
17x=136
x=136:16
x=8

Comments

38x-25x+18x= 200

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31x=200

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x=200:3

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X=6.5

Answer 2

38x-25x+18x=200
31x=20