acedmonds724
acedmonds724 acedmonds724
  • 09-12-2020
  • Mathematics
contestada

3(1−9a)+22a=2(2a−9)−15
i need a step by step explanation

Respuesta :

porrnesianparrapio
porrnesianparrapio porrnesianparrapio
  • 09-12-2020

Step-by-step explanation:

3(1-9a)+22a=2(2a-9)-15

3-27a+22a=4a-18-15

-27a+22a-4a=-18-15-3

-a=-36

a=36

Answer Link
Penelope468
Penelope468 Penelope468
  • 10-12-2020

Answer:

A= 4

Step-by-step explanation:

3(1-9a)+22a=2(2a-9)-15

3-27a+22a=2(2a-9)-15

3-5a=2(2a-9)-15

3-5a=4a-33

3-5a-3=4a-33-3

-5a=4a-36

-5a-4a=4a-36-4a

-9a=-36

-9a/-9 = -36/-9

A=4

Answer Link

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