3x-15=2.5x+5

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Solution for 3x-15=2.5x+5 equation: 



3x-15=2.5x+5

We move all terms to the left:

3x-15-(2.5x+5)=0

We get rid of parentheses

3x-2.5x-5-15=0

We add all the numbers together, and all the variables

0.5x-20=0

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

0.5x=20

x=20/0.5

x=40

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