74=7(1+7n)-6(-4+n)

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Solution for 74=7(1+7n)-6(-4+n) equation: 



74=7(1+7n)-6(-4+n)

We move all terms to the left:

74-(7(1+7n)-6(-4+n))=0

We add all the numbers together, and all the variables

-(7(7n+1)-6(n-4))+74=0



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

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

We multiply parentheses

49n-6n+7+24

We add all the numbers together, and all the variables

43n+31

Back to the equation:

-(43n+31)



We get rid of parentheses

-43n-31+74=0

We add all the numbers together, and all the variables

-43n+43=0

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

-43n=-43

n=-43/-43

n=1

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