8.5=9.9-0.7x

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Solution for 8.5=9.9-0.7x equation: 



8.5=9.9-0.7x

We move all terms to the left:

8.5-(9.9-0.7x)=0

We add all the numbers together, and all the variables

-(-0.7x+9.9)+8.5=0

We get rid of parentheses

0.7x-9.9+8.5=0

We add all the numbers together, and all the variables

0.7x-1.4=0

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

0.7x=1.4

x=1.4/0.7

x=2

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