21=0.33333(3-4x)

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Solution for 21=0.33333(3-4x) equation:


Simplifying
21 = 0.33333(3 + -4x)
21 = (3 * 0.33333 + -4x * 0.33333)
21 = (0.99999 + -1.33332x)

Solving
21 = 0.99999 + -1.33332x

Solving for variable 'x'.

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

Add '1.33332x' to each side of the equation.
21 + 1.33332x = 0.99999 + -1.33332x + 1.33332x

Combine like terms: -1.33332x + 1.33332x = 0.00000
21 + 1.33332x = 0.99999 + 0.00000
21 + 1.33332x = 0.99999

Add '-21' to each side of the equation.
21 + -21 + 1.33332x = 0.99999 + -21

Combine like terms: 21 + -21 = 0
0 + 1.33332x = 0.99999 + -21
1.33332x = 0.99999 + -21

Combine like terms: 0.99999 + -21 = -20.00001
1.33332x = -20.00001

Divide each side by '1.33332'.
x = -15.0001575

Simplifying
x = -15.0001575

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