6x-15x+21x=

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Solution for 6x-15x+21x= equation: 


Simplifying
6x + -15x + 21x = 0

Combine like terms: 6x + -15x = -9x
-9x + 21x = 0

Combine like terms: -9x + 21x = 12x
12x = 0

Solving
12x = 0

Solving for variable 'x'.

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

Divide each side by '12'.
x = 0

Simplifying
x = 0

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