12+x=3+1.5x

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Solution for 12+x=3+1.5x equation: 



12+x=3+1.5x

We move all terms to the left:

12+x-(3+1.5x)=0

We add all the numbers together, and all the variables

x-(1.5x+3)+12=0

We get rid of parentheses

x-1.5x-3+12=0

We add all the numbers together, and all the variables

-0.5x+9=0

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

-0.5x=-9

x=-9/-0.5

x=+18

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