4.00+0.80x=12.00+0.30x

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Solution for 4.00+0.80x=12.00+0.30x equation: 



4.00+0.80x=12.00+0.30x

We move all terms to the left:

4.00+0.80x-(12.00+0.30x)=0

We add all the numbers together, and all the variables

0.80x-(0.30x+12)+4.00=0

We add all the numbers together, and all the variables

0.80x-(0.30x+12)+4=0

We get rid of parentheses

0.80x-0.30x-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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