7x+8x+9=8x+7x+12

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Solution for 7x+8x+9=8x+7x+12 equation: 



7x+8x+9=8x+7x+12

We move all terms to the left:

7x+8x+9-(8x+7x+12)=0

We add all the numbers together, and all the variables

7x+8x-(15x+12)+9=0

We add all the numbers together, and all the variables

15x-(15x+12)+9=0

We get rid of parentheses

15x-15x-12+9=0

We add all the numbers together, and all the variables

-3!=0

There is no solution for this equation

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