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45=12t+3(t-8)-6
We simplify the equation to the form, which is simple to understand
45=12t+3(t-8)-6
Reorder the terms in parentheses
45=12t+(+3t-24)-6
Remove unnecessary parentheses
+45=+12t+3t-24-6
We move all terms containing t to the left and all other terms to the right.
-12t-3t=-24-6-45
We simplify left and right side of the equation.
-15t=-75
We divide both sides of the equation by -15 to get t.
t=5
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