x*2.1=5

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Solution for x*2.1=5 equation: 



x*2.1=5

We move all terms to the left:

x*2.1-(5)=0

Wy multiply elements

2.1x-5=0

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

2.1x=5

x=5/2.1

x=2+0.8/2.1

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