2.1+2x=7.5

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Solution for 2.1+2x=7.5 equation: 



2.1+2x=7.5

We move all terms to the left:

2.1+2x-(7.5)=0

We add all the numbers together, and all the variables

2x-5.4=0

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

2x=5.4

x=5.4/2

x=2+1/1.42857142857

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