20x-3=-12-7x

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Solution for 20x-3=-12-7x equation: 



20x-3=-12-7x

We move all terms to the left:

20x-3-(-12-7x)=0

We add all the numbers together, and all the variables

20x-(-7x-12)-3=0

We get rid of parentheses

20x+7x+12-3=0

We add all the numbers together, and all the variables

27x+9=0

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

27x=-9

x=-9/27

x=-1/3

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