Решите уравнение -8x+9=-7 и 8x+10=0

Question

Решите уравнение -8x+9=-7 и 8x+10=0

Comments

-8х= -9-7

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-8= -16

Answer 1

-8х+9=-7
-8х=-7-9
-8х=-16
Х=2
8х+10=о
8х=-10
Х=-10/8
Х=-1,25