13x+(-21x)=

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Solution for 13x+(-21x)= equation: 


Simplifying
13x + (-21x) = 0

Combine like terms: 13x + (-21x) = -8x
-8x = 0

Solving
-8x = 0

Solving for variable 'x'.

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

Divide each side by '-8'.
x = 0

Simplifying
x = 0

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