Respuesta :

kalen92

Answer:

Umm sorry i thought i knew it But my answer was wrong. I'm sorry and i hope you found the answer:)

Step-by-step explanation:

nskis982
a.55=30x+50y
b.45=30x+50y
c.substitution
d.

55 and 45

I tried ! Hoped this helped ! Mark brainly if I helped!
Have a nice day!!!!!!!!!!!!!!!!