2.1+0.8x=3

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Solution for 2.1+0.8x=3 equation: 



2.1+0.8x=3

We move all terms to the left:

2.1+0.8x-(3)=0

We add all the numbers together, and all the variables

0.8x-0.9=0

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

0.8x=0.9

x=0.9/0.8

x=1+0.1/0.8

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