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28=6+0.55t
We move all terms to the left:
28-(6+0.55t)=0
We add all the numbers together, and all the variables
-(0.55t+6)+28=0
We get rid of parentheses
-0.55t-6+28=0
We add all the numbers together, and all the variables
-0.55t+22=0
We move all terms containing t to the left, all other terms to the right
-0.55t=-22
t=-22/-0.55
t=+40
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