When using substitution to solve this system of equations, what is the result of the first step? x
=
6
y
+
3

x
+
2
y
=
5
A.
x
+
2
(
6
x
+
3
)
=
5
C.
6
y
+
3
+
2
y
=
5
B.
x
+
2
(
6
y
+
3
)
=
5
D.
6
x
+
3
+
2
x
=
5

Someone answer this asap for the first five terms of a sequence are shown. 5, 11, 23, 47, 95, . . which recursive function defines the nth term in the sequence for n > 1? a. f(n) = f(n - 1) + 6 b) f(n) = f(n - 1) + 48 c) f(n) = 3 • f(n - 1) + 1 d) f(n) = 3 • f(n - 1) - 4