2.1+x=3.5

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Solution for 2.1+x=3.5 equation: 



2.1+x=3.5

We move all terms to the left:

2.1+x-(3.5)=0

We add all the numbers together, and all the variables

x-1.4=0

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

x=1.4

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