-21x-21y=21

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Solution for -21x-21y=21 equation: 


Simplifying
-21x + -21y = 21

Solving
-21x + -21y = 21

Solving for variable 'x'.

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

Add '21y' to each side of the equation.
-21x + -21y + 21y = 21 + 21y

Combine like terms: -21y + 21y = 0
-21x + 0 = 21 + 21y
-21x = 21 + 21y

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

Simplifying
x = -1 + -1y

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