A shopper wants to ensure she has enough cash to purchase a $25 cell phone, so she asks a clerk what the total will be with the
1 answer:
You might be interested in
B - 7x = a - b
Subtract b from both sides.
-7x = a - 2b
Divide both sides by -7.
x =
Subtract b from both sides.
-7x = a - 2b
Divide both sides by -7.
x =
