180=40+4x+3x

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Solution for 180=40+4x+3x equation: 



180=40+4x+3x

We move all terms to the left:

180-(40+4x+3x)=0

We add all the numbers together, and all the variables

-(7x+40)+180=0

We get rid of parentheses

-7x-40+180=0

We add all the numbers together, and all the variables

-7x+140=0

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

-7x=-140

x=-140/-7

x=+20

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