x+7x-3x+5=12x-7+9

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Solution for x+7x-3x+5=12x-7+9 equation: 



x+7x-3x+5=12x-7+9

We move all terms to the left:

x+7x-3x+5-(12x-7+9)=0

We add all the numbers together, and all the variables

x+7x-3x-(12x+2)+5=0

We add all the numbers together, and all the variables

5x-(12x+2)+5=0

We get rid of parentheses

5x-12x-2+5=0

We add all the numbers together, and all the variables

-7x+3=0

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

-7x=-3

x=-3/-7

x=3/7

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