3.5x-21=2.8

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Solution for 3.5x-21=2.8 equation: 



3.5x-21=2.8

We move all terms to the left:

3.5x-21-(2.8)=0

We add all the numbers together, and all the variables

3.5x-23.8=0

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

3.5x=23.8

x=23.8/3.5

x=6+2.8/3.5

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