8x+19=51怎么解方程?
人气:185 ℃ 时间:2020-03-24 23:26:35
解答
8x+19=51
8X=51-19
8X= 32
X=32除以8
X=4那验算是什么呢?将X=4代入方程:8*4+19=32+19=51左右相等,所以X=4是方程的解。
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