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1.4-0.4(t-3.1)=5.8
We move all terms to the left:
1.4-0.4(t-3.1)-(5.8)=0
We add all the numbers together, and all the variables
-0.4(t-3.1)-4.4=0
We multiply parentheses
-0.4t+1.24-4.4=0
We add all the numbers together, and all the variables
-0.4t-3.16=0
We move all terms containing t to the left, all other terms to the right
-0.4t=3.16
t=3.16/-0.4
t=-7+0.36/0.4
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