5x+7x=9x-3

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Solution for 5x+7x=9x-3 equation: 



5x+7x=9x-3

We move all terms to the left:

5x+7x-(9x-3)=0

We add all the numbers together, and all the variables

12x-(9x-3)=0

We get rid of parentheses

12x-9x+3=0

We add all the numbers together, and all the variables

3x+3=0

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

3x=-3

x=-3/3

x=-1

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