PLEASE HELP ASAP Help me find equation 2.

You went to Pizza Hut. You bought 4 breadsticks and 7
pizzas; it cost you $71. The cost of pizza is one dollar
less than five times the cost of the breadstick.
How much does a single breadstick cost? How much
does a single pizza cost?
a. Write a system of equations to determine the COST
of a breadstick and pizza if Brepresents the COST of a
breadstick and P represents the COST of a pizza?
Equation 1:
4b + 7P = 71
Equation 2: