Answer:
Step-by-step explanation:
Answer:
Step-by-step explanation: Factor
x
x
out of
m
x
+
n
x
m
x
+
n
x
.
x
(
m
+
n
)
=
p
x
(
m
+
n
)
=
p
Divide each term by
m
+
n
m
+
n
and simplify.
x
=
p
m
+
n
i think its 13.3 correct m if im wrong
Use 78 / x
Key:
x = How many books he bought.
Hope this helps!
6W (-12x) + 7W (-8x) = 13W - 20x
Explanation:
6W + 7W = 13W
-12x - 8x = -20x