54=(4+x)*3

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Solution for 54=(4+x)*3 equation: 



54=(4+x)*3

We move all terms to the left:

54-((4+x)*3)=0

We add all the numbers together, and all the variables

-((x+4)*3)+54=0



We calculate terms in parentheses: -((x+4)*3), so:

(x+4)*3

We multiply parentheses

3x+12

Back to the equation:

-(3x+12)



We get rid of parentheses

-3x-12+54=0

We add all the numbers together, and all the variables

-3x+42=0

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

-3x=-42

x=-42/-3

x=+14

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