-21=-3(3t-2)

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


Simplifying
-21 = -3(3t + -2)

Reorder the terms:
-21 = -3(-2 + 3t)
-21 = (-2 * -3 + 3t * -3)
-21 = (6 + -9t)

Solving
-21 = 6 + -9t

Solving for variable 't'.

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

Add '9t' to each side of the equation.
-21 + 9t = 6 + -9t + 9t

Combine like terms: -9t + 9t = 0
-21 + 9t = 6 + 0
-21 + 9t = 6

Add '21' to each side of the equation.
-21 + 21 + 9t = 6 + 21

Combine like terms: -21 + 21 = 0
0 + 9t = 6 + 21
9t = 6 + 21

Combine like terms: 6 + 21 = 27
9t = 27

Divide each side by '9'.
t = 3

Simplifying
t = 3

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