hapyhedgehog
hapyhedgehog hapyhedgehog
  • 19-09-2018
  • Mathematics
contestada

1/4(20−4a)=6−a

solve for a

Respuesta :

sarahh13579 sarahh13579
  • 19-09-2018

1/4(20-4a)=6-a   (distribute 1/4)

5-a=6-a    (subtract 5 to both sides)

-a=1-a     (add "a" to both sides)

0=1

When this happens where the equation is not true, it means that a=no solution because there would be no "a" value that you could plug in to make the equation true.

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