13+4x=(x+4)

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Solution for 13+4x=(x+4) equation: 



13+4x=(x+4)

We move all terms to the left:

13+4x-((x+4))=0



We calculate terms in parentheses: -((x+4)), so:

(x+4)

We get rid of parentheses

x+4

Back to the equation:

-(x+4)



We get rid of parentheses

4x-x-4+13=0

We add all the numbers together, and all the variables

3x+9=0

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

3x=-9

x=-9/3

x=-3

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