X-5+8=15

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Solution for X-5+8=15 equation: 


Simplifying
X + -5 + 8 = 15

Reorder the terms:
-5 + 8 + X = 15

Combine like terms: -5 + 8 = 3
3 + X = 15

Solving
3 + X = 15

Solving for variable 'X'.

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

Add '-3' to each side of the equation.
3 + -3 + X = 15 + -3

Combine like terms: 3 + -3 = 0
0 + X = 15 + -3
X = 15 + -3

Combine like terms: 15 + -3 = 12
X = 12

Simplifying
X = 12

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