13(9+3x)=12(20+8x)

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Solution for 13(9+3x)=12(20+8x) equation: 



13(9+3x)=12(20+8x)

We move all terms to the left:

13(9+3x)-(12(20+8x))=0

We add all the numbers together, and all the variables

13(3x+9)-(12(8x+20))=0

We multiply parentheses

39x-(12(8x+20))+117=0



We calculate terms in parentheses: -(12(8x+20)), so:

12(8x+20)

We multiply parentheses

96x+240

Back to the equation:

-(96x+240)



We get rid of parentheses

39x-96x-240+117=0

We add all the numbers together, and all the variables

-57x-123=0

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

-57x=123

x=123/-57

x=-2+3/19

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