-3x-2.5+7.5=30-5x

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Solution for -3x-2.5+7.5=30-5x equation: 



-3x-2.5+7.5=30-5x

We move all terms to the left:

-3x-2.5+7.5-(30-5x)=0

We add all the numbers together, and all the variables

-3x-(-5x+30)-2.5+7.5=0

We add all the numbers together, and all the variables

-3x-(-5x+30)+5=0

We get rid of parentheses

-3x+5x-30+5=0

We add all the numbers together, and all the variables

2x-25=0

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

2x=25

x=25/2

x=12+1/2

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