7+2n=7n-8

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Solution for 7+2n=7n-8 equation:



7+2n=7n-8
We move all terms to the left:
7+2n-(7n-8)=0
We get rid of parentheses
2n-7n+8+7=0
We add all the numbers together, and all the variables
-5n+15=0
We move all terms containing n to the left, all other terms to the right
-5n=-15
n=-15/-5
n=+3

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