3.5x+x=40

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Solution for 3.5x+x=40 equation: 



3.5x+x=40

We move all terms to the left:

3.5x+x-(40)=0

We add all the numbers together, and all the variables

4.5x-40=0

We move all terms containing x to the left, all other terms to the right

4.5x=40

x=40/4.5

x=8+1/1.125

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