4.2x-8.4=x+2

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Solution for 4.2x-8.4=x+2 equation: 



4.2x-8.4=x+2

We move all terms to the left:

4.2x-8.4-(x+2)=0

We get rid of parentheses

4.2x-x-2-8.4=0

We add all the numbers together, and all the variables

3.2x-10.4=0

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

3.2x=10.4

x=10.4/3.2

x=3+0.8/3.2

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