21=3(3x-2)

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


Simplifying
21 = 3(3x + -2)

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

Solving
21 = -6 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
21 + -9x = -6 + 9x + -9x

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

Add '-21' to each side of the equation.
21 + -21 + -9x = -6 + -21

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

Combine like terms: -6 + -21 = -27
-9x = -27

Divide each side by '-9'.
x = 3

Simplifying
x = 3

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