(x+15)=(4x-42)

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Solution for (x+15)=(4x-42) equation: 



(x+15)=(4x-42)

We move all terms to the left:

(x+15)-((4x-42))=0

We get rid of parentheses

x-((4x-42))+15=0



We calculate terms in parentheses: -((4x-42)), so:

(4x-42)

We get rid of parentheses

4x-42

Back to the equation:

-(4x-42)



We get rid of parentheses

x-4x+42+15=0

We add all the numbers together, and all the variables

-3x+57=0

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

-3x=-57

x=-57/-3

x=+19

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