(x+9)=(4x-30)

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Solution for (x+9)=(4x-30) equation: 



(x+9)=(4x-30)

We move all terms to the left:

(x+9)-((4x-30))=0

We get rid of parentheses

x-((4x-30))+9=0



We calculate terms in parentheses: -((4x-30)), so:

(4x-30)

We get rid of parentheses

4x-30

Back to the equation:

-(4x-30)



We get rid of parentheses

x-4x+30+9=0

We add all the numbers together, and all the variables

-3x+39=0

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

-3x=-39

x=-39/-3

x=+13

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