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:
You should just use so.crative or photo.math
Answer:
No the number of egg whites used is not proportional to the cups of jelly used.
Step-by-step explanation:
if your jelly is 1/3 cup then just one egg white is not also 1/3 a cup