45=7(1-7n)+6(7n+4)

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Solution for 45=7(1-7n)+6(7n+4) equation: 



45=7(1-7n)+6(7n+4)

We move all terms to the left:

45-(7(1-7n)+6(7n+4))=0

We add all the numbers together, and all the variables

-(7(-7n+1)+6(7n+4))+45=0



We calculate terms in parentheses: -(7(-7n+1)+6(7n+4)), so:

7(-7n+1)+6(7n+4)

We multiply parentheses

-49n+42n+7+24

We add all the numbers together, and all the variables

-7n+31

Back to the equation:

-(-7n+31)



We get rid of parentheses

7n-31+45=0

We add all the numbers together, and all the variables

7n+14=0

We move all terms containing n to the left, all other terms to the right

7n=-14

n=-14/7

n=-2

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