3x+40=13

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Solution for 3x+40=13 equation: 



3x+40=13

We move all terms to the left:

3x+40-(13)=0

We add all the numbers together, and all the variables

3x+27=0

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

3x=-27

x=-27/3

x=-9

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