7x=-(2x+45)

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Solution for 7x=-(2x+45) equation: 



7x=-(2x+45)

We move all terms to the left:

7x-(-(2x+45))=0



We calculate terms in parentheses: -(-(2x+45)), so:

-(2x+45)

We get rid of parentheses

-2x-45

Back to the equation:

-(-2x-45)



We get rid of parentheses

7x+2x+45=0

We add all the numbers together, and all the variables

9x+45=0

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

9x=-45

x=-45/9

x=-5

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