12=x+x+x+1.5+1.5=

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



12=x+x+x+1.5+1.5=

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(3x+3)+12=0

We get rid of parentheses

-3x-3+12=0

We add all the numbers together, and all the variables

-3x+9=0

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

-3x=-9

x=-9/-3

x=+3

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