4(5-x)=x

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Solution for 4(5-x)=x equation:


Simplifying
4(5 + -1x) = x
(5 * 4 + -1x * 4) = x
(20 + -4x) = x

Solving
20 + -4x = x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
20 + -4x + -1x = x + -1x

Combine like terms: -4x + -1x = -5x
20 + -5x = x + -1x

Combine like terms: x + -1x = 0
20 + -5x = 0

Add '-20' to each side of the equation.
20 + -20 + -5x = 0 + -20

Combine like terms: 20 + -20 = 0
0 + -5x = 0 + -20
-5x = 0 + -20

Combine like terms: 0 + -20 = -20
-5x = -20

Divide each side by '-5'.
x = 4

Simplifying
x = 4

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