Question

-45x-30y=30
45x-17y=17
If any of you can answer I will thank you!!

Answer 1

-45x-30y=30 (1)

45x-17y=17 (2)

-47y=47

y = -1

replace y in (1)

-45x + 30 = 30

-45x= 0

x= 0

(0; -1)

The Method used: Elimination.