20=-3(-x+4)

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Solution for 20=-3(-x+4) equation:


Simplifying
20 = -3(-1x + 4)

Reorder the terms:
20 = -3(4 + -1x)
20 = (4 * -3 + -1x * -3)
20 = (-12 + 3x)

Solving
20 = -12 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
20 + -3x = -12 + 3x + -3x

Combine like terms: 3x + -3x = 0
20 + -3x = -12 + 0
20 + -3x = -12

Add '-20' to each side of the equation.
20 + -20 + -3x = -12 + -20

Combine like terms: 20 + -20 = 0
0 + -3x = -12 + -20
-3x = -12 + -20

Combine like terms: -12 + -20 = -32
-3x = -32

Divide each side by '-3'.
x = 10.66666667

Simplifying
x = 10.66666667

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