Answer:
You can substitute
4
as
x
in the first equation because
x
and
4
are equal.
2
(
4
)
+
y
=
29
8
+
y
=
29
y
=
21
Step-by-step explanation:
Remember to incorporate Bimdas, into you calculation and ensure where the addition and subtraction occur you work from left to right.
The land bridge (Bering strait) and the crossing from Canada
Answer:
i think the answer is 99 im not completely sure though
but i hope this helps