If 2m−6=8m then 3m= a. 3 b. -1 c. -3 d. -6 e. i don't know.

For this case we have to:

If we subtract 8m on both sides of the equation, we have:

Adding 6 to both sides of the equation:

Dividing between -6 on both sides of the equation:

So:

If we want to know the value of 3m, then:

Option C

3x^3-x^2+6x-9

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