Respuesta :

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9v - 12v

Simply pretend as if there was no "v."

What is 9-12?

9 - 12 = -3

So, 9v - 12v = -3v

~Hope I helped!~
Noah11012
You can simplify 9v and -12v because they are like terms. To combine like terms, add up the coefficients and keep the common variable(s) and exponent.

9v - 12v = (9 - 12)v = -3v

So, -3v is the answer.

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