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2.25b-20=6.5b+14
We move all terms to the left:
2.25b-20-(6.5b+14)=0
We get rid of parentheses
2.25b-6.5b-14-20=0
We add all the numbers together, and all the variables
-4.25b-34=0
We move all terms containing b to the left, all other terms to the right
-4.25b=34
b=34/-4.25
b=-8
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