Answer:
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Step-by-step explanation:
Answer:
-3x^2 - 5y^2 = 36
Step-by-step explanation:
x^2+y^2=r^2
Two times the sum of a number and fifteen is equal to six times the number.
times - multiply
number- variable (N)
C. 2(N + 15) = 6N
Answer: x =3; y = -2

Step-by-step explanation:
Answer:
w= -5
Step-by-step explanation:
- -2w - 4 + 4 = 6 + 4
- -2w = 10
Isolate "w":