x+5y-4z=20

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


Simplifying
x + 5y + -4z = 20

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

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

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

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

Simplifying
x = 20 + -5y + 4z

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