x+5y-2x+4z-1=21

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Solution for x+5y-2x+4z-1=21 equation:


Simplifying
x + 5y + -2x + 4z + -1 = 21

Reorder the terms:
-1 + x + -2x + 5y + 4z = 21

Combine like terms: x + -2x = -1x
-1 + -1x + 5y + 4z = 21

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

Solving for variable 'x'.

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

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

Reorder the terms:
-1 + 1 + -1x + 5y + 4z = 21 + 1

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

Combine like terms: 21 + 1 = 22
-1x + 5y + 4z = 22

Add '-5y' to each side of the equation.
-1x + 5y + -5y + 4z = 22 + -5y

Combine like terms: 5y + -5y = 0
-1x + 0 + 4z = 22 + -5y
-1x + 4z = 22 + -5y

Add '-4z' to each side of the equation.
-1x + 4z + -4z = 22 + -5y + -4z

Combine like terms: 4z + -4z = 0
-1x + 0 = 22 + -5y + -4z
-1x = 22 + -5y + -4z

Divide each side by '-1'.
x = -22 + 5y + 4z

Simplifying
x = -22 + 5y + 4z

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