3.75-7.5=0.1x-0.3x+75

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Solution for 3.75-7.5=0.1x-0.3x+75 equation: 



3.75-7.5=0.1x-0.3x+75

We move all terms to the left:

3.75-7.5-(0.1x-0.3x+75)=0

We add all the numbers together, and all the variables

-(-0.2x+75)+3.75-7.5=0

We add all the numbers together, and all the variables

-(-0.2x+75)-3.75=0

We get rid of parentheses

0.2x-75-3.75=0

We add all the numbers together, and all the variables

0.2x-78.75=0

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

0.2x=78.75

x=78.75/0.2

x=393+0.15/0.2

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