20=4(1-x)

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Solution for 20=4(1-x) equation:


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

Solving
20 = 4 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
20 + 4x = 4 + -4x + 4x

Combine like terms: -4x + 4x = 0
20 + 4x = 4 + 0
20 + 4x = 4

Add '-20' to each side of the equation.
20 + -20 + 4x = 4 + -20

Combine like terms: 20 + -20 = 0
0 + 4x = 4 + -20
4x = 4 + -20

Combine like terms: 4 + -20 = -16
4x = -16

Divide each side by '4'.
x = -4

Simplifying
x = -4

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