展开 9x-(x-2=x+23)

解答

展开

9 x - (x - 2 = x + 23)

8 x + 2 = x - 23

求解步骤

9 x - (x - 2 = x + 23)

- (x - 2 = x + 23) : - x + 2 = x - 23

9 x - x + 2 = x - 23

乘开

9 x - x + 2 : 8 x + 2

8 x + 2 = x - 23

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