3(5x-7)=2(9+x)

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Solution for 3(5x-7)=2(9+x) equation: 



3(5x-7)=2(9+x)

We move all terms to the left:

3(5x-7)-(2(9+x))=0

We add all the numbers together, and all the variables

3(5x-7)-(2(x+9))=0

We multiply parentheses

15x-(2(x+9))-21=0



We calculate terms in parentheses: -(2(x+9)), so:

2(x+9)

We multiply parentheses

2x+18

Back to the equation:

-(2x+18)



We get rid of parentheses

15x-2x-18-21=0

We add all the numbers together, and all the variables

13x-39=0

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

13x=39

x=39/13

x=3

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