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-0.8t + 0.4=0.66
We simplify the equation to the form, which is simple to understand
-0.8t + 0.4=0.66
We move all terms containing t to the left and all other terms to the right.
-0.8t=0.66-0.4
We simplify left and right side of the equation.
-0.8t=0.26
We divide both sides of the equation by -0.8 to get t.
t=-0.325
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