解方程.4x+1.2x=26
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解方程.4x+1.2x=26解方程.4x+1.2x=26解方程.4x+1.2x=264x+1.2x=265.2x=26x=26/5.2x=54x+1.2x=265.2x=26x=54x+1.2x=26
解方程.4x+1.2x=26
解方程.4x+1.2x=26
解方程.4x+1.2x=26
4x+1.2x=26
5.2x=26
x=26/5.2
x=5
4x+1.2x=26
5.2x=26
x=5
4x+1.2x=26
5.2x=26
x=5
26x/5=26
x=5
4x+1.2x=26
5.2x=26
x=5
x=5
(4+1.2)X=26
5.2X=26
X=5