-x-4y+5z=-21

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Solution for -x-4y+5z=-21 equation:


Simplifying
-1x + -4y + 5z = -21

Solving
-1x + -4y + 5z = -21

Solving for variable 'x'.

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

Add '4y' to each side of the equation.
-1x + -4y + 4y + 5z = -21 + 4y

Combine like terms: -4y + 4y = 0
-1x + 0 + 5z = -21 + 4y
-1x + 5z = -21 + 4y

Add '-5z' to each side of the equation.
-1x + 5z + -5z = -21 + 4y + -5z

Combine like terms: 5z + -5z = 0
-1x + 0 = -21 + 4y + -5z
-1x = -21 + 4y + -5z

Divide each side by '-1'.
x = 21 + -4y + 5z

Simplifying
x = 21 + -4y + 5z

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