5x+7x-2=7-9x

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Solution for 5x+7x-2=7-9x equation: 



5x+7x-2=7-9x

We move all terms to the left:

5x+7x-2-(7-9x)=0

We add all the numbers together, and all the variables

5x+7x-(-9x+7)-2=0

We add all the numbers together, and all the variables

12x-(-9x+7)-2=0

We get rid of parentheses

12x+9x-7-2=0

We add all the numbers together, and all the variables

21x-9=0

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

21x=9

x=9/21

x=3/7

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