X+(x+4)=18

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Solution for X+(x+4)=18 equation:


Simplifying
X + (x + 4) = 18

Reorder the terms:
X + (4 + x) = 18

Remove parenthesis around (4 + x)
X + 4 + x = 18

Reorder the terms:
4 + X + x = 18

Solving
4 + X + x = 18

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 + x = 18 + -4

Reorder the terms:
4 + -4 + X + x = 18 + -4

Combine like terms: 4 + -4 = 0
0 + X + x = 18 + -4
X + x = 18 + -4

Combine like terms: 18 + -4 = 14
X + x = 14

Add '-1x' to each side of the equation.
X + x + -1x = 14 + -1x

Combine like terms: x + -1x = 0
X + 0 = 14 + -1x
X = 14 + -1x

Simplifying
X = 14 + -1x

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