17x-3+7x=20x+6-21

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Solution for 17x-3+7x=20x+6-21 equation: 



17x-3+7x=20x+6-21

We move all terms to the left:

17x-3+7x-(20x+6-21)=0

We add all the numbers together, and all the variables

17x+7x-(20x-15)-3=0

We add all the numbers together, and all the variables

24x-(20x-15)-3=0

We get rid of parentheses

24x-20x+15-3=0

We add all the numbers together, and all the variables

4x+12=0

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

4x=-12

x=-12/4

x=-3

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