Multiply the first equation by -1
-3x-y=-4
2x+y=5
Add them up
-x=1
So x=-1
And y=7
So the first option is correct
I can sure try mate!!! What is it that you need help with?
The answer is 600 because you have to multiply 120 by 5 and the sum is 600
Answer:
False
Step-by-step explanation:
1/3^4=3^4
0.012346≠81
False
