84=5t+2(t)2

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Solution for 84=5t+2(t)2 equation:


Simplifying
84 = 5t + 2(t) * 2

Reorder the terms for easier multiplication:
84 = 5t + 2 * 2t

Multiply 2 * 2
84 = 5t + 4t

Combine like terms: 5t + 4t = 9t
84 = 9t

Solving
84 = 9t

Solving for variable 't'.

Move all terms containing t to the left, all other terms to the right.

Add '-9t' to each side of the equation.
84 + -9t = 9t + -9t

Combine like terms: 9t + -9t = 0
84 + -9t = 0

Add '-84' to each side of the equation.
84 + -84 + -9t = 0 + -84

Combine like terms: 84 + -84 = 0
0 + -9t = 0 + -84
-9t = 0 + -84

Combine like terms: 0 + -84 = -84
-9t = -84

Divide each side by '-9'.
t = 9.333333333

Simplifying
t = 9.333333333

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