X+4y=9

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Solution for X+4y=9 equation: 


Simplifying
X + 4y = 9

Solving
X + 4y = 9

Solving for variable 'X'.

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

Add '-4y' to each side of the equation.
X + 4y + -4y = 9 + -4y

Combine like terms: 4y + -4y = 0
X + 0 = 9 + -4y
X = 9 + -4y

Simplifying
X = 9 + -4y

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