x+2x×10=10x+2x+36

问题描述:

x+2x×10=10x+2x+36

x+2x×10=10x+2x+36
x+20x=12x+36
21x-12x=36
9x=36
x=36/9
x=4
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x=4

x+2x×10=10x+2x+36
x+20x=12x+36
21x-12x=36
9x=36
x=4

x+2x×10=10x+2x+36
x+20x=12x+36
21x-12x=36
9x=36
x=36÷9
x=4