3+x=3(x+5)

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



3+x=3(x+5)

We move all terms to the left:

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



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

3(x+5)

We multiply parentheses

3x+15

Back to the equation:

-(3x+15)



We get rid of parentheses

x-3x-15+3=0

We add all the numbers together, and all the variables

-2x-12=0

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

-2x=12

x=12/-2

x=-6

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