5x+9=12x-7.5

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Solution for 5x+9=12x-7.5 equation: 



5x+9=12x-7.5

We move all terms to the left:

5x+9-(12x-7.5)=0

We get rid of parentheses

5x-12x+7.5+9=0

We add all the numbers together, and all the variables

-7x+16.5=0

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

-7x=-16.5

x=-16.5/-7

x=2+2.5/7

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