3t+7t-9=8t+9

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Solution for 3t+7t-9=8t+9 equation:


Simplifying
3t + 7t + -9 = 8t + 9

Reorder the terms:
-9 + 3t + 7t = 8t + 9

Combine like terms: 3t + 7t = 10t
-9 + 10t = 8t + 9

Reorder the terms:
-9 + 10t = 9 + 8t

Solving
-9 + 10t = 9 + 8t

Solving for variable 't'.

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

Add '-8t' to each side of the equation.
-9 + 10t + -8t = 9 + 8t + -8t

Combine like terms: 10t + -8t = 2t
-9 + 2t = 9 + 8t + -8t

Combine like terms: 8t + -8t = 0
-9 + 2t = 9 + 0
-9 + 2t = 9

Add '9' to each side of the equation.
-9 + 9 + 2t = 9 + 9

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

Combine like terms: 9 + 9 = 18
2t = 18

Divide each side by '2'.
t = 9

Simplifying
t = 9

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