x+9y-z=4

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Solution for x+9y-z=4 equation:


Simplifying
x + 9y + -1z = 4

Solving
x + 9y + -1z = 4

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.
x + 9y + -9y + -1z = 4 + -9y

Combine like terms: 9y + -9y = 0
x + 0 + -1z = 4 + -9y
x + -1z = 4 + -9y

Add 'z' to each side of the equation.
x + -1z + z = 4 + -9y + z

Combine like terms: -1z + z = 0
x + 0 = 4 + -9y + z
x = 4 + -9y + z

Simplifying
x = 4 + -9y + z

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