7.2.1 R&P 7-87 to 7-91

7-88. a) Solve the following systems of equations. In other words, find values of a and b that make each system true. Type your answer as a= #, b= #

7-88. b) Solve the following systems of equations. In other words, find values of a and b that make each system true. Type your answer as a= #, b= #

• 12

• 21.3

• 8