21=3(2-3x)

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


Simplifying
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 = -15
9x = -15

Divide each side by '9'.
x = -1.666666667

Simplifying
x = -1.666666667

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