45+15=x+(3+x)

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Solution for 45+15=x+(3+x) equation: 



45+15=x+(3+x)

We move all terms to the left:

45+15-(x+(3+x))=0

We add all the numbers together, and all the variables

-(x+(x+3))+45+15=0

We add all the numbers together, and all the variables

-(x+(x+3))+60=0



We calculate terms in parentheses: -(x+(x+3)), so:

x+(x+3)

We get rid of parentheses

x+x+3

We add all the numbers together, and all the variables

2x+3

Back to the equation:

-(2x+3)



We get rid of parentheses

-2x-3+60=0

We add all the numbers together, and all the variables

-2x+57=0

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

-2x=-57

x=-57/-2

x=28+1/2

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