5x+2y+z=9

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Solution for 5x+2y+z=9 equation:


Simplifying
5x + 2y + z = 9

Solving
5x + 2y + z = 9

Solving for variable 'x'.

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

Add '-2y' to each side of the equation.
5x + 2y + -2y + z = 9 + -2y

Combine like terms: 2y + -2y = 0
5x + 0 + z = 9 + -2y
5x + z = 9 + -2y

Add '-1z' to each side of the equation.
5x + z + -1z = 9 + -2y + -1z

Combine like terms: z + -1z = 0
5x + 0 = 9 + -2y + -1z
5x = 9 + -2y + -1z

Divide each side by '5'.
x = 1.8 + -0.4y + -0.2z

Simplifying
x = 1.8 + -0.4y + -0.2z

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