3.5x+20=4x+15

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Solution for 3.5x+20=4x+15 equation: 



3.5x+20=4x+15

We move all terms to the left:

3.5x+20-(4x+15)=0

We get rid of parentheses

3.5x-4x-15+20=0

We add all the numbers together, and all the variables

-0.5x+5=0

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

-0.5x=-5

x=-5/-0.5

x=+10

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