3x-7.5=7.5x+20

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Solution for 3x-7.5=7.5x+20 equation: 



3x-7.5=7.5x+20

We move all terms to the left:

3x-7.5-(7.5x+20)=0

We get rid of parentheses

3x-7.5x-20-7.5=0

We add all the numbers together, and all the variables

-4.5x-27.5=0

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

-4.5x=27.5

x=27.5/-4.5

x=-6+0.5/4.5

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