X+9+x=-4

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Solution for X+9+x=-4 equation:


Simplifying
X + 9 + x = -4

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

Solving
9 + X + x = -4

Solving for variable 'X'.

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

Add '-9' to each side of the equation.
9 + X + -9 + x = -4 + -9

Reorder the terms:
9 + -9 + X + x = -4 + -9

Combine like terms: 9 + -9 = 0
0 + X + x = -4 + -9
X + x = -4 + -9

Combine like terms: -4 + -9 = -13
X + x = -13

Add '-1x' to each side of the equation.
X + x + -1x = -13 + -1x

Combine like terms: x + -1x = 0
X + 0 = -13 + -1x
X = -13 + -1x

Simplifying
X = -13 + -1x

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