3t=t+42

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Solution for 3t=t+42 equation: 


Simplifying
3t = t + 42

Reorder the terms:
3t = 42 + t

Solving
3t = 42 + t

Solving for variable 't'.

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

Add '-1t' to each side of the equation.
3t + -1t = 42 + t + -1t

Combine like terms: 3t + -1t = 2t
2t = 42 + t + -1t

Combine like terms: t + -1t = 0
2t = 42 + 0
2t = 42

Divide each side by '2'.
t = 21

Simplifying
t = 21

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