jaz42069 jaz42069
  • 03-09-2019
  • Mathematics
contestada

3/11a-1=7/11a+9
what’s a??

Respuesta :

Sheyin
Sheyin Sheyin
  • 05-09-2019

Answer:

= a = 17/22

Step-by-step explanation:

= 3/11a-1=7/11a+9

= 3(11a+9) = 7(11a -1)

= 33a +27 = 77a -7

= 33a -77a = -7 -27

= - 44a = - 34

Both minus cancel on each side. (multiply both sides by minus sign)

= a =34/44

= a = 17/22  

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