3t=3t-21

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Solution for 3t=3t-21 equation: 


Simplifying
3t = 3t + -21

Reorder the terms:
3t = -21 + 3t

Add '-3t' to each side of the equation.
3t + -3t = -21 + 3t + -3t

Combine like terms: 3t + -3t = 0
0 = -21 + 3t + -3t

Combine like terms: 3t + -3t = 0
0 = -21 + 0
0 = -21

Solving
0 = -21

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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