4x+5y-z=20

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Solution for 4x+5y-z=20 equation:


Simplifying
4x + 5y + -1z = 20

Solving
4x + 5y + -1z = 20

Solving for variable 'x'.

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

Add '-5y' to each side of the equation.
4x + 5y + -5y + -1z = 20 + -5y

Combine like terms: 5y + -5y = 0
4x + 0 + -1z = 20 + -5y
4x + -1z = 20 + -5y

Add 'z' to each side of the equation.
4x + -1z + z = 20 + -5y + z

Combine like terms: -1z + z = 0
4x + 0 = 20 + -5y + z
4x = 20 + -5y + z

Divide each side by '4'.
x = 5 + -1.25y + 0.25z

Simplifying
x = 5 + -1.25y + 0.25z

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