Question

2+2(-9+4x)=10x-8
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Answer 1

$2 - 18 + 8x = 10x - 8 \\ - 16x + 8x = 10x - 8 \\ x - 10x = - 8 + 16 \\ - 2x = 8 \\ x = - 4$

Answer 2

2-18+8х=10х-8

8х-10х=-8-2+18

-2х=8

х=-4