7x-2x+8.1=0

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Solution for 7x-2x+8.1=0 equation: 



7x-2x+8.1=0

We add all the numbers together, and all the variables

5x+8.1=0

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

5x=-8.1

x=-8.1/5

x=-1+2.8181818181818/4.5454545454545

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