3.5X+2.5(14-X)=4 求方程解的过程

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3.5X+2.5(14-X)=4
3.5x+35-2.5x=4
3.5x-2.5x=4-35
x=-31

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3.5X+2.5(14-X)=4
3.5X+35-2.5X=4
X=-31

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3.5X+35-2.5X=4
X+35=4
x=4-35
x=-29

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3.5x+2.5×14-2.5x=4
3.5x+35-2.5x=4
3.5x-2.5x=4-35
x=-31

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3.5x+2.5(14-x)=4
3.5x+35-2.5x=4
x=-31

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X=-31

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