(3x+1)30=(x+11)42

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Solution for (3x+1)30=(x+11)42 equation: 



(3x+1)30=(x+11)42

We move all terms to the left:

(3x+1)30-((x+11)42)=0

We multiply parentheses

90x-((x+11)42)+30=0



We calculate terms in parentheses: -((x+11)42), so:

(x+11)42

We multiply parentheses

42x+462

Back to the equation:

-(42x+462)



We get rid of parentheses

90x-42x-462+30=0

We add all the numbers together, and all the variables

48x-432=0

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

48x=432

x=432/48

x=9

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