3.2x+42.1=2.8-9.9x

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Solution for 3.2x+42.1=2.8-9.9x equation: 



3.2x+42.1=2.8-9.9x

We move all terms to the left:

3.2x+42.1-(2.8-9.9x)=0

We add all the numbers together, and all the variables

3.2x-(-9.9x+2.8)+42.1=0

We get rid of parentheses

3.2x+9.9x-2.8+42.1=0

We add all the numbers together, and all the variables

13.1x+39.3=0

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

13.1x=-39.3

x=-39.3/13.1

x=-3

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