Solve the system by substitution.
-8x - y = 30
-2y = x
1 answer:
Answer:
Solution: (-4, 2), x= -4 and y =2
Step-by-step explanation:
-8x - y = 30
-2y = x
Substitute for x
-8*(-2y) - y = 30
16y - y = 30
15y = 30
y = 30/15 = 2
Then x = -2y = -2*(2) = -4
Solution: (-4, 2), x= -4 and y =2
You might be interested in
Answer: 1.8 kg
Step-by-step explanation: Because 55-3 ½ is 52 so you need to do to 53.8 minus what equals 52, which is 1.8.
Answer:
31 x 8,203 = 254,293
Step-by-step explanation:
Answer:
The Domain.
Step-by-step explanation:
That is the Domain. For example the domain of the function √x is the set
{x : x ≥ 0}.
Answer:
80
Step-by-step explanation:
28×100÷35=80
Answer:
no
Step-by-step explanation:
12 squared plus 5 squared=169