решите уравнения.10+9(-10-9 х)=8-х

Question

решите уравнения.10+9(-10-9 х)=8-х

Answer 1

10-90-81х=8-х
-80х=108
х=- 1, 35

Answer 2

10-90-81X=8-x
-80x-72=0
-80x=72
x=-0.9

Comments

10-90-81X=8-x

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-80x-88=0

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-80x=88

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x=-1/1