3x+2.5=12x-5.5x+15

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Solution for 3x+2.5=12x-5.5x+15 equation: 



3x+2.5=12x-5.5x+15

We move all terms to the left:

3x+2.5-(12x-5.5x+15)=0

We add all the numbers together, and all the variables

3x-(6.5x+15)+2.5=0

We get rid of parentheses

3x-6.5x-15+2.5=0

We add all the numbers together, and all the variables

-3.5x-12.5=0

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

-3.5x=12.5

x=12.5/-3.5

x=-3+2/3.5

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