8=0.4q

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Solution for 8=0.4q equation:



8=0.4q
We move all terms to the left:
8-(0.4q)=0
We add all the numbers together, and all the variables
-(+0.4q)+8=0
We get rid of parentheses
-0.4q+8=0
We move all terms containing q to the left, all other terms to the right
-0.4q=-8
q=-8/-0.4
q=+20

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