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256=-8n-8(-6n+3)
We move all terms to the left:
256-(-8n-8(-6n+3))=0
We calculate terms in parentheses: -(-8n-8(-6n+3)), so:We get rid of parentheses
-8n-8(-6n+3)
We multiply parentheses
-8n+48n-24
We add all the numbers together, and all the variables
40n-24
Back to the equation:
-(40n-24)
-40n+24+256=0
We add all the numbers together, and all the variables
-40n+280=0
We move all terms containing n to the left, all other terms to the right
-40n=-280
n=-280/-40
n=+7
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