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数学
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8x-3+2x+1=7x+6-5x 解方程
人气:258 ℃ 时间:2020-03-22 17:31:41
解答
8x-3+2x+1=7x+6-5x
10x-2=2x+6
8x=8
x=1
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-5x+7x+6=1-3+2x+8x
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-5X+6+7X=1+2X-3+8X
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