(3+5x)=(x+15)

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Solution for (3+5x)=(x+15) equation: 



(3+5x)=(x+15)

We move all terms to the left:

(3+5x)-((x+15))=0

We add all the numbers together, and all the variables

(5x+3)-((x+15))=0

We get rid of parentheses

5x-((x+15))+3=0



We calculate terms in parentheses: -((x+15)), so:

(x+15)

We get rid of parentheses

x+15

Back to the equation:

-(x+15)



We get rid of parentheses

5x-x-15+3=0

We add all the numbers together, and all the variables

4x-12=0

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

4x=12

x=12/4

x=3

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