For this one you want to cancel out the x-terms.
Multiply top equation by -2
---> -2x -10y = 6
---> 2x +7y = 3
Add them together
---> -3y = 9
Solve for y ...
Answer:8by-step explanation:
Answer:
42 divided by 2
Step-by-step explanation:
That will give you 21.
Answer:
174,862,593
Step-by-step explanation:
I just added them all together
Answer: 2/15
Step-by-step explanation:
25-21/30 = 4/30
4/30 = 2/15