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2.43-3.1t=21.05
We move all terms to the left:
2.43-3.1t-(21.05)=0
We add all the numbers together, and all the variables
-3.1t-18.62=0
We move all terms containing t to the left, all other terms to the right
-3.1t=18.62
t=18.62/-3.1
t=-6+0.02/3.1
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