21t-2=9t+6

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Solution for 21t-2=9t+6 equation:


Simplifying
21t + -2 = 9t + 6

Reorder the terms:
-2 + 21t = 9t + 6

Reorder the terms:
-2 + 21t = 6 + 9t

Solving
-2 + 21t = 6 + 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.
-2 + 21t + -9t = 6 + 9t + -9t

Combine like terms: 21t + -9t = 12t
-2 + 12t = 6 + 9t + -9t

Combine like terms: 9t + -9t = 0
-2 + 12t = 6 + 0
-2 + 12t = 6

Add '2' to each side of the equation.
-2 + 2 + 12t = 6 + 2

Combine like terms: -2 + 2 = 0
0 + 12t = 6 + 2
12t = 6 + 2

Combine like terms: 6 + 2 = 8
12t = 8

Divide each side by '12'.
t = 0.6666666667

Simplifying
t = 0.6666666667

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