12=4.5+.75x

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Solution for 12=4.5+.75x equation: 



12=4.5+.75x

We move all terms to the left:

12-(4.5+.75x)=0

We add all the numbers together, and all the variables

-(.75x+4.5)+12=0

We get rid of parentheses

-.75x-4.5+12=0

We add all the numbers together, and all the variables

-0.75x+7.5=0

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

-0.75x=-7.5

x=-7.5/-0.75

x=+10

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