方程2X-7 = X +1

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方程2X-7=X+1方程2X-7=X+1方程2X-7=X+12X-7=X+12X-X=7+1X=8希望采纳,谢谢你

方程2X-7 = X +1
方程2X-7 = X +1

方程2X-7 = X +1
2X-7 = X +1 2X-X = 7 +1 X =
8希望采纳,谢谢你