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58=8(4n-6)-7(4-5n)
We move all terms to the left:
58-(8(4n-6)-7(4-5n))=0
We add all the numbers together, and all the variables
-(8(4n-6)-7(-5n+4))+58=0
We calculate terms in parentheses: -(8(4n-6)-7(-5n+4)), so:We get rid of parentheses
8(4n-6)-7(-5n+4)
We multiply parentheses
32n+35n-48-28
We add all the numbers together, and all the variables
67n-76
Back to the equation:
-(67n-76)
-67n+76+58=0
We add all the numbers together, and all the variables
-67n+134=0
We move all terms containing n to the left, all other terms to the right
-67n=-134
n=-134/-67
n=+2
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