12(7-x)=15(2-x)

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Solution for 12(7-x)=15(2-x) equation: 



12(7-x)=15(2-x)

We move all terms to the left:

12(7-x)-(15(2-x))=0

We add all the numbers together, and all the variables

12(-1x+7)-(15(-1x+2))=0

We multiply parentheses

-12x-(15(-1x+2))+84=0



We calculate terms in parentheses: -(15(-1x+2)), so:

15(-1x+2)

We multiply parentheses

-15x+30

Back to the equation:

-(-15x+30)



We get rid of parentheses

-12x+15x-30+84=0

We add all the numbers together, and all the variables

3x+54=0

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

3x=-54

x=-54/3

x=-18

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