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2t+1.3=39.8
We move all terms to the left:
2t+1.3-(39.8)=0
We add all the numbers together, and all the variables
2t-38.5=0
We move all terms containing t to the left, all other terms to the right
2t=38.5
t=38.5/2
t=19+0.5/2
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