12+.12x=30+.07x

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Solution for 12+.12x=30+.07x equation: 



12+.12x=30+.07x

We move all terms to the left:

12+.12x-(30+.07x)=0

We add all the numbers together, and all the variables

.12x-(.07x+30)+12=0

We get rid of parentheses

.12x-.07x-30+12=0

We add all the numbers together, and all the variables

0.05x-18=0

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

0.05x=18

x=18/0.05

x=360

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