9=3-X

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Solution for 9=3-X equation: 


Simplifying
9 = 3 + -1X

Solving
9 = 3 + -1X

Solving for variable 'X'.

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

Add 'X' to each side of the equation.
9 + X = 3 + -1X + X

Combine like terms: -1X + X = 0
9 + X = 3 + 0
9 + X = 3

Add '-9' to each side of the equation.
9 + -9 + X = 3 + -9

Combine like terms: 9 + -9 = 0
0 + X = 3 + -9
X = 3 + -9

Combine like terms: 3 + -9 = -6
X = -6

Simplifying
X = -6

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