81=7t-16t

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Solution for 81=7t-16t equation:


Simplifying
81 = 7t + -16t

Combine like terms: 7t + -16t = -9t
81 = -9t

Solving
81 = -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.
81 + 9t = -9t + 9t

Combine like terms: -9t + 9t = 0
81 + 9t = 0

Add '-81' to each side of the equation.
81 + -81 + 9t = 0 + -81

Combine like terms: 81 + -81 = 0
0 + 9t = 0 + -81
9t = 0 + -81

Combine like terms: 0 + -81 = -81
9t = -81

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

Simplifying
t = -9

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