I think that she started with 10.. I'm not 100% sure, though
Answer:
x = -8, y = 6
Step-by-step explanation:
x + 2y = 4 ------(1)
x + y = - 2
y = - x - 2 ----------(2)
Substitute y in (1)
x + 2(- x - 2) = 4
x - 2x - 4 = 4
- x = 4 + 4
x = -8
Substitute x in (2)
y = - (- 8) - 2 = 8 - 2 = 6
Answer:
I think the answer is C.
Step-by-step explanation:
The law of exponents states that when you divide the same base you subtract the exponents.
492,630. Add up or multiply. I think thats the answer.
