3x-40=7

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Solution for 3x-40=7 equation: 



3x-40=7

We move all terms to the left:

3x-40-(7)=0

We add all the numbers together, and all the variables

3x-47=0

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

3x=47

x=47/3

x=15+2/3

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