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1.7+4t=-3.1
We move all terms to the left:
1.7+4t-(-3.1)=0
We add all the numbers together, and all the variables
4t+4.8=0
We move all terms containing t to the left, all other terms to the right
4t=-4.8
t=-4.8/4
t=-1+0.8/4
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