70+35+(3(3n+10))=180

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Solution for 70+35+(3(3n+10))=180 equation: 



70+35+(3(3n+10))=180

We move all terms to the left:

70+35+(3(3n+10))-(180)=0

We add all the numbers together, and all the variables

(3(3n+10))-75=0



We calculate terms in parentheses: +(3(3n+10)), so:

3(3n+10)

We multiply parentheses

9n+30

Back to the equation:

+(9n+30)



We get rid of parentheses

9n+30-75=0

We add all the numbers together, and all the variables

9n-45=0

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

9n=45

n=45/9

n=5

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