8+.8x=20

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Solution for 8+.8x=20 equation: 



8+.8x=20

We move all terms to the left:

8+.8x-(20)=0

We add all the numbers together, and all the variables

.8x-12=0

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

.8x=12

x=12/.8

x=15

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