189=-7(-6+7n)

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Solution for 189=-7(-6+7n) equation:



189=-7(-6+7n)
We move all terms to the left:
189-(-7(-6+7n))=0
We add all the numbers together, and all the variables
-(-7(7n-6))+189=0
We calculate terms in parentheses: -(-7(7n-6)), so:
-7(7n-6)
We multiply parentheses
-49n+42
Back to the equation:
-(-49n+42)
We get rid of parentheses
49n-42+189=0
We add all the numbers together, and all the variables
49n+147=0
We move all terms containing n to the left, all other terms to the right
49n=-147
n=-147/49
n=-3

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