4+.8x=12+.3x

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Solution for 4+.8x=12+.3x equation: 



4+.8x=12+.3x

We move all terms to the left:

4+.8x-(12+.3x)=0

We add all the numbers together, and all the variables

.8x-(.3x+12)+4=0

We get rid of parentheses

.8x-.3x-12+4=0

We add all the numbers together, and all the variables

0.5x-8=0

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

0.5x=8

x=8/0.5

x=16

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