.2x+2.9x=12.8-1.7+2.8x

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Solution for .2x+2.9x=12.8-1.7+2.8x equation: 



.2x+2.9x=12.8-1.7+2.8x

We move all terms to the left:

.2x+2.9x-(12.8-1.7+2.8x)=0

We add all the numbers together, and all the variables

.2x+2.9x-(2.8x+11.1)=0

We add all the numbers together, and all the variables

3.1x-(2.8x+11.1)=0

We get rid of parentheses

3.1x-2.8x-11.1=0

We add all the numbers together, and all the variables

0.3x-11.1=0

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

0.3x=11.1

x=11.1/0.3

x=37

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