X+8+9=15

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Solution for X+8+9=15 equation: 


Simplifying
X + 8 + 9 = 15

Reorder the terms:
8 + 9 + X = 15

Combine like terms: 8 + 9 = 17
17 + X = 15

Solving
17 + X = 15

Solving for variable 'X'.

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

Add '-17' to each side of the equation.
17 + -17 + X = 15 + -17

Combine like terms: 17 + -17 = 0
0 + X = 15 + -17
X = 15 + -17

Combine like terms: 15 + -17 = -2
X = -2

Simplifying
X = -2

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