13(t-6)+8t=7(3t+3)-9

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Solution for 13(t-6)+8t=7(3t+3)-9 equation: 


Simplifying
13(t + -6) + 8t = 7(3t + 3) + -9

Reorder the terms:
13(-6 + t) + 8t = 7(3t + 3) + -9
(-6 * 13 + t * 13) + 8t = 7(3t + 3) + -9
(-78 + 13t) + 8t = 7(3t + 3) + -9

Combine like terms: 13t + 8t = 21t
-78 + 21t = 7(3t + 3) + -9

Reorder the terms:
-78 + 21t = 7(3 + 3t) + -9
-78 + 21t = (3 * 7 + 3t * 7) + -9
-78 + 21t = (21 + 21t) + -9

Reorder the terms:
-78 + 21t = 21 + -9 + 21t

Combine like terms: 21 + -9 = 12
-78 + 21t = 12 + 21t

Add '-21t' to each side of the equation.
-78 + 21t + -21t = 12 + 21t + -21t

Combine like terms: 21t + -21t = 0
-78 + 0 = 12 + 21t + -21t
-78 = 12 + 21t + -21t

Combine like terms: 21t + -21t = 0
-78 = 12 + 0
-78 = 12

Solving
-78 = 12

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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