X+(4-x)=20

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


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

Remove parenthesis around (4 + -1x)
X + 4 + -1x = 20

Reorder the terms:
4 + X + -1x = 20

Solving
4 + X + -1x = 20

Solving for variable 'X'.

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

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

Reorder the terms:
4 + -4 + X + -1x = 20 + -4

Combine like terms: 4 + -4 = 0
0 + X + -1x = 20 + -4
X + -1x = 20 + -4

Combine like terms: 20 + -4 = 16
X + -1x = 16

Add 'x' to each side of the equation.
X + -1x + x = 16 + x

Combine like terms: -1x + x = 0
X + 0 = 16 + x
X = 16 + x

Simplifying
X = 16 + x

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