2n+7=-9n+40

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Solution for 2n+7=-9n+40 equation: 



2n+7=-9n+40

We move all terms to the left:

2n+7-(-9n+40)=0

We get rid of parentheses

2n+9n-40+7=0

We add all the numbers together, and all the variables

11n-33=0

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

11n=33

n=33/11

n=3

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