2n+40=7n

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Solution for 2n+40=7n equation: 



2n+40=7n

We move all terms to the left:

2n+40-(7n)=0

We add all the numbers together, and all the variables

-5n+40=0

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

-5n=-40

n=-40/-5

n=+8

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