7.9=8.5-0.2x

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Solution for 7.9=8.5-0.2x equation:



7.9=8.5-0.2x
We move all terms to the left:
7.9-(8.5-0.2x)=0
We add all the numbers together, and all the variables
-(-0.2x+8.5)+7.9=0
We get rid of parentheses
0.2x-8.5+7.9=0
We add all the numbers together, and all the variables
0.2x-0.6=0
We move all terms containing x to the left, all other terms to the right
0.2x=0.6
x=0.6/0.2
x=2+0.2/0.2

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