-30+3n=6(8-n)-6

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Solution for -30+3n=6(8-n)-6 equation:



-30+3n=6(8-n)-6
We move all terms to the left:
-30+3n-(6(8-n)-6)=0
We add all the numbers together, and all the variables
3n-(6(-1n+8)-6)-30=0
We calculate terms in parentheses: -(6(-1n+8)-6), so:
6(-1n+8)-6
We multiply parentheses
-6n+48-6
We add all the numbers together, and all the variables
-6n+42
Back to the equation:
-(-6n+42)
We get rid of parentheses
3n+6n-42-30=0
We add all the numbers together, and all the variables
9n-72=0
We move all terms containing n to the left, all other terms to the right
9n=72
n=72/9
n=8

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