3(4x+14)=5(x+21)

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Solution for 3(4x+14)=5(x+21) equation: 



3(4x+14)=5(x+21)

We move all terms to the left:

3(4x+14)-(5(x+21))=0

We multiply parentheses

12x-(5(x+21))+42=0



We calculate terms in parentheses: -(5(x+21)), so:

5(x+21)

We multiply parentheses

5x+105

Back to the equation:

-(5x+105)



We get rid of parentheses

12x-5x-105+42=0

We add all the numbers together, and all the variables

7x-63=0

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

7x=63

x=63/7

x=9

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