180=3(7x+1)+15(x-5)

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Solution for 180=3(7x+1)+15(x-5) equation: 



180=3(7x+1)+15(x-5)

We move all terms to the left:

180-(3(7x+1)+15(x-5))=0



We calculate terms in parentheses: -(3(7x+1)+15(x-5)), so:

3(7x+1)+15(x-5)

We multiply parentheses

21x+15x+3-75

We add all the numbers together, and all the variables

36x-72

Back to the equation:

-(36x-72)



We get rid of parentheses

-36x+72+180=0

We add all the numbers together, and all the variables

-36x+252=0

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

-36x=-252

x=-252/-36

x=+7

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