3(t-2)=21

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Solution for 3(t-2)=21 equation: 


Simplifying
3(t + -2) = 21

Reorder the terms:
3(-2 + t) = 21
(-2 * 3 + t * 3) = 21
(-6 + 3t) = 21

Solving
-6 + 3t = 21

Solving for variable 't'.

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

Add '6' to each side of the equation.
-6 + 6 + 3t = 21 + 6

Combine like terms: -6 + 6 = 0
0 + 3t = 21 + 6
3t = 21 + 6

Combine like terms: 21 + 6 = 27
3t = 27

Divide each side by '3'.
t = 9

Simplifying
t = 9

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