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30=0.09x+8.25
We move all terms to the left:
30-(0.09x+8.25)=0
We get rid of parentheses
-0.09x-8.25+30=0
We add all the numbers together, and all the variables
-0.09x+21.75=0
We move all terms containing x to the left, all other terms to the right
-0.09x=-21.75
x=-21.75/-0.09
x=241+0.060000000000002/0.09
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