2+4.2x=23

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Solution for 2+4.2x=23 equation: 



2+4.2x=23

We move all terms to the left:

2+4.2x-(23)=0

We add all the numbers together, and all the variables

4.2x-21=0

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

4.2x=21

x=21/4.2

x=5

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