9x=(4x+15)

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Solution for 9x=(4x+15) equation: 



9x=(4x+15)

We move all terms to the left:

9x-((4x+15))=0



We calculate terms in parentheses: -((4x+15)), so:

(4x+15)

We get rid of parentheses

4x+15

Back to the equation:

-(4x+15)



We get rid of parentheses

9x-4x-15=0

We add all the numbers together, and all the variables

5x-15=0

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

5x=15

x=15/5

x=3

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