3(t+1)=21

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Solution for 3(t+1)=21 equation: 


Simplifying
3(t + 1) = 21

Reorder the terms:
3(1 + t) = 21
(1 * 3 + t * 3) = 21
(3 + 3t) = 21

Solving
3 + 3t = 21

Solving for variable 't'.

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

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

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

Combine like terms: 21 + -3 = 18
3t = 18

Divide each side by '3'.
t = 6

Simplifying
t = 6

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