3.5x+1=4x-9

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Solution for 3.5x+1=4x-9 equation: 



3.5x+1=4x-9

We move all terms to the left:

3.5x+1-(4x-9)=0

We get rid of parentheses

3.5x-4x+9+1=0

We add all the numbers together, and all the variables

-0.5x+10=0

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

-0.5x=-10

x=-10/-0.5

x=+20

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