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0.4t+1.4=-3
We move all terms to the left:
0.4t+1.4-(-3)=0
We add all the numbers together, and all the variables
0.4t+4.4=0
We move all terms containing t to the left, all other terms to the right
0.4t=-4.4
t=-4.4/0.4
t=-11
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