-12x+(x-9)=3(2-5x)

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Solution for -12x+(x-9)=3(2-5x) equation: 



-12x+(x-9)=3(2-5x)

We move all terms to the left:

-12x+(x-9)-(3(2-5x))=0

We add all the numbers together, and all the variables

-12x+(x-9)-(3(-5x+2))=0

We get rid of parentheses

-12x+x-(3(-5x+2))-9=0



We calculate terms in parentheses: -(3(-5x+2)), so:

3(-5x+2)

We multiply parentheses

-15x+6

Back to the equation:

-(-15x+6)



We add all the numbers together, and all the variables

-11x-(-15x+6)-9=0

We get rid of parentheses

-11x+15x-6-9=0

We add all the numbers together, and all the variables

4x-15=0

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

4x=15

x=15/4

x=3+3/4

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