20+3.x=8.5-2

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Solution for 20+3.x=8.5-2 equation: 



20+3.x=8.5-2

We move all terms to the left:

20+3.x-(8.5-2)=0

We add all the numbers together, and all the variables

3.x+20-(6.5)=0

We add all the numbers together, and all the variables

3.x+13.5=0

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

3.x=-13.5

x=-13.5/3.

x=-4+1/2

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