5x-1+7x=20-2x-7

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Solution for 5x-1+7x=20-2x-7 equation: 



5x-1+7x=20-2x-7

We move all terms to the left:

5x-1+7x-(20-2x-7)=0

We add all the numbers together, and all the variables

5x+7x-(-2x+13)-1=0

We add all the numbers together, and all the variables

12x-(-2x+13)-1=0

We get rid of parentheses

12x+2x-13-1=0

We add all the numbers together, and all the variables

14x-14=0

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

14x=14

x=14/14

x=1

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