12x+9x-3=-3(2x+14)

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Solution for 12x+9x-3=-3(2x+14) equation: 



12x+9x-3=-3(2x+14)

We move all terms to the left:

12x+9x-3-(-3(2x+14))=0

We add all the numbers together, and all the variables

21x-(-3(2x+14))-3=0



We calculate terms in parentheses: -(-3(2x+14)), so:

-3(2x+14)

We multiply parentheses

-6x-42

Back to the equation:

-(-6x-42)



We get rid of parentheses

21x+6x+42-3=0

We add all the numbers together, and all the variables

27x+39=0

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

27x=-39

x=-39/27

x=-1+4/9

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