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-7+.8t=-4.28
We move all terms to the left:
-7+.8t-(-4.28)=0
We add all the numbers together, and all the variables
.8t-2.72=0
We move all terms containing t to the left, all other terms to the right
.8t=2.72
t=2.72/.8
t=3+0.32/.8
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