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0.4t-0.53=0.28
We move all terms to the left:
0.4t-0.53-(0.28)=0
We add all the numbers together, and all the variables
0.4t-0.81=0
We move all terms containing t to the left, all other terms to the right
0.4t=0.81
t=0.81/0.4
t=2+0.01/0.4
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