idk3246 idk3246
  • 18-09-2020
  • Mathematics
contestada

solve for a:
1/2 (-9a-3)=11

Respuesta :

madison2014nc
madison2014nc madison2014nc
  • 18-09-2020

Answer:

Hi there!

Your answer is:

a = -2 & 7/9ths or approximately -2.78

Step-by-step explanation:

1/2 (-9a -3) = 11

-9/2a -3/2 = 11

-4.5a - 1.5 = 11

+1.5

-4.5a = 12.5

/-4.5

a = -2 & 7/9ths or approximately -2.78

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