adelaidegladebrooke adelaidegladebrooke
  • 24-06-2019
  • Mathematics
contestada

How and why does 2x – 3 = -(3 – 2x )?

Respuesta :

victoriachadwi50 victoriachadwi50
  • 24-06-2019

Answer:

Because the negative in the front cancels out the other neg.

Step-by-step explanation:

Answer Link
danyoung1717 danyoung1717
  • 24-06-2019

Answer:

-(3 - 2x ) = -3 + 2x = 2x - 3

Step-by-step explanation:

If you expand the brackets in -(3 - 2x) by multiplying all numbers by -1 (the negative symbol in front of the brackets represents negative 1 just without the 1)

Thus you get -3 + 2x.

Then rearranging the equation by swapping the 2x with the -3 you get 2x - 3.

Answer Link

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