Answer:
Explanation:
L= large pizzas
M=medium pizzas
6L+2M=86
4L+3M=72.75
6L+2M-2M=86+(-2M)
6L divide by 6 to single out L=-2M+86 divide by 6
L=-1/3M + 43/3
4(-1/3M+43/3) +3M=72.75
5/3M+172/3=72.75
5/3M+172/3 - 172/3=72.75+(-172/3)
5/3M divide by 5/3M=15.416667 divide by 5/3M
M=9.25