作业帮x/6+(x+2)/4+(22-2x)/5=5解方程
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x/6+(x+2)/4+(22-2x)/5=5解方程
x/6+(x+2)/4+(22-2x)/5=5解方程
x/6+(x+2)/4+(22-2x)/5=5解方程
首先,分母6、4和5,这三个数的最小公倍数是60.
方程的两边同时60,则有：10X+15(X+2)+12(22-2X)=60*5
即：(10+15-12*2)X+15*2+12*22=300
(25-24)X=300-15*2-12*22
X=300-30-264
X=300-294
解得：X=6
x=6
先去分母 x=6
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