X-7+9=23

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Solution for X-7+9=23 equation: 


Simplifying
X + -7 + 9 = 23

Reorder the terms:
-7 + 9 + X = 23

Combine like terms: -7 + 9 = 2
2 + X = 23

Solving
2 + X = 23

Solving for variable 'X'.

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

Add '-2' to each side of the equation.
2 + -2 + X = 23 + -2

Combine like terms: 2 + -2 = 0
0 + X = 23 + -2
X = 23 + -2

Combine like terms: 23 + -2 = 21
X = 21

Simplifying
X = 21

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