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68=4(-3n-4)+8(3-6n)
We move all terms to the left:
68-(4(-3n-4)+8(3-6n))=0
We add all the numbers together, and all the variables
-(4(-3n-4)+8(-6n+3))+68=0
We calculate terms in parentheses: -(4(-3n-4)+8(-6n+3)), so:We get rid of parentheses
4(-3n-4)+8(-6n+3)
We multiply parentheses
-12n-48n-16+24
We add all the numbers together, and all the variables
-60n+8
Back to the equation:
-(-60n+8)
60n-8+68=0
We add all the numbers together, and all the variables
60n+60=0
We move all terms containing n to the left, all other terms to the right
60n=-60
n=-60/60
n=-1
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