x-4Y+z=-21

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Solution for x-4Y+z=-21 equation:


Simplifying
x + -4Y + z = -21

Reorder the terms:
-4Y + x + z = -21

Solving
-4Y + x + z = -21

Solving for variable 'Y'.

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

Add '-1x' to each side of the equation.
-4Y + x + -1x + z = -21 + -1x

Combine like terms: x + -1x = 0
-4Y + 0 + z = -21 + -1x
-4Y + z = -21 + -1x

Add '-1z' to each side of the equation.
-4Y + z + -1z = -21 + -1x + -1z

Combine like terms: z + -1z = 0
-4Y + 0 = -21 + -1x + -1z
-4Y = -21 + -1x + -1z

Divide each side by '-4'.
Y = 5.25 + 0.25x + 0.25z

Simplifying
Y = 5.25 + 0.25x + 0.25z

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