40+3.5x=71.5

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Solution for 40+3.5x=71.5 equation: 



40+3.5x=71.5

We move all terms to the left:

40+3.5x-(71.5)=0

We add all the numbers together, and all the variables

3.5x-31.5=0

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

3.5x=31.5

x=31.5/3.5

x=9

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