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
Answer:
12.0415945788
Step-by-step explanation:
Answer:
The answer is (2,1)
Step-by-step explanation:
Answer:
399.84
Step-by-step explanation:
408.00 x .98 (2% reduction from 100) = 399.84
Answer:
Step-by-step explanation:
i got it correct:)