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(3*5)t(21-12)=15t+9
We simplify the equation to the form, which is simple to understand
(3*5)t(21-12)=15t+9
Reorder the terms in parentheses
(+15t)*(+9)=15t+9
Reorder the terms in parentheses
multiplication of parentheses
(+135t)=15t+9
Remove unnecessary parentheses
+135t=15t+9
We move all terms containing t to the left and all other terms to the right.
+135t-15t=+9
We simplify left and right side of the equation.
+120t=+9
We divide both sides of the equation by 120 to get t.
t=0.075
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