X+(x+4)=15

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Solution for X+(x+4)=15 equation:


Simplifying
X + (x + 4) = 15

Reorder the terms:
X + (4 + x) = 15

Remove parenthesis around (4 + x)
X + 4 + x = 15

Reorder the terms:
4 + X + x = 15

Solving
4 + X + x = 15

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 = 15 + -4

Reorder the terms:
4 + -4 + X + x = 15 + -4

Combine like terms: 4 + -4 = 0
0 + X + x = 15 + -4
X + x = 15 + -4

Combine like terms: 15 + -4 = 11
X + x = 11

Add '-1x' to each side of the equation.
X + x + -1x = 11 + -1x

Combine like terms: x + -1x = 0
X + 0 = 11 + -1x
X = 11 + -1x

Simplifying
X = 11 + -1x

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