X+15-6=20

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Solution for X+15-6=20 equation: 


Simplifying
X + 15 + -6 = 20

Reorder the terms:
15 + -6 + X = 20

Combine like terms: 15 + -6 = 9
9 + X = 20

Solving
9 + X = 20

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 + -9 + X = 20 + -9

Combine like terms: 9 + -9 = 0
0 + X = 20 + -9
X = 20 + -9

Combine like terms: 20 + -9 = 11
X = 11

Simplifying
X = 11

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