4=20-4x

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Solution for 4=20-4x equation:


Simplifying
4 = 20 + -4x

Solving
4 = 20 + -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.
4 + 4x = 20 + -4x + 4x

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

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

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

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

Divide each side by '4'.
x = 4

Simplifying
x = 4

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