Answer:
im really smart (no im not thats why im here)
Answer: option B.
Step-by-step explanation:
You can apply the elimination method:
- Multiply the first equation by -7 and the second equation by 3.
- Add both equations to cancel out the variable y.
- Solve for x
- Substitute x=-2 into any of the original equations ans solve for y. Then:
Answer:
x=
2.6
Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable.
Step-by-step explanation:
10/25=2/n
cross multiply
10*n=2*25
n=50/10
n=5