x-21y+x+21y=

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


Simplifying
x + -21y + x + 21y = 0

Reorder the terms:
x + x + -21y + 21y = 0

Combine like terms: x + x = 2x
2x + -21y + 21y = 0

Combine like terms: -21y + 21y = 0
2x + 0 = 0
2x = 0

Solving
2x = 0

Solving for variable 'x'.

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

Divide each side by '2'.
x = 0

Simplifying
x = 0

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