Answer:
Step-by-step explanation:
Answer:
respuestas
1(25
2)9
3)75
4)7
5)5
Step-by-step explanation:
If we multiply the top equation by -4 we can get rid of the x so:
-4x+20y=-12
4x-4y=12
Add these up
16y=0
Y=0
X=3
sorry i cant help on that its tricky but try 8???