2x+9y=z

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Solution for 2x+9y=z equation: 


Simplifying
2x + 9y = z

Solving
2x + 9y = z

Solving for variable 'x'.

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

Add '-9y' to each side of the equation.
2x + 9y + -9y = -9y + z

Combine like terms: 9y + -9y = 0
2x + 0 = -9y + z
2x = -9y + z

Divide each side by '2'.
x = -4.5y + 0.5z

Simplifying
x = -4.5y + 0.5z

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