15(t-5)+6t=7(3t+3)-9

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Solution for 15(t-5)+6t=7(3t+3)-9 equation: 


Simplifying
15(t + -5) + 6t = 7(3t + 3) + -9

Reorder the terms:
15(-5 + t) + 6t = 7(3t + 3) + -9
(-5 * 15 + t * 15) + 6t = 7(3t + 3) + -9
(-75 + 15t) + 6t = 7(3t + 3) + -9

Combine like terms: 15t + 6t = 21t
-75 + 21t = 7(3t + 3) + -9

Reorder the terms:
-75 + 21t = 7(3 + 3t) + -9
-75 + 21t = (3 * 7 + 3t * 7) + -9
-75 + 21t = (21 + 21t) + -9

Reorder the terms:
-75 + 21t = 21 + -9 + 21t

Combine like terms: 21 + -9 = 12
-75 + 21t = 12 + 21t

Add '-21t' to each side of the equation.
-75 + 21t + -21t = 12 + 21t + -21t

Combine like terms: 21t + -21t = 0
-75 + 0 = 12 + 21t + -21t
-75 = 12 + 21t + -21t

Combine like terms: 21t + -21t = 0
-75 = 12 + 0
-75 = 12

Solving
-75 = 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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