Question

2x+9 - x-2 = 3
4 6
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Answer 1

Ответ:

х=-4

Объяснение:

2х + 9 -х - 2 = 3

2х - х + 9 - 2 = 3

х +9 - 2 = 3

9 - 2 = 7

x +7 = 3

х=3-7

х=-4