Respuesta :

m + b = 34
b = 4m - 6

m + 4m - 6 = 34
5m - 6  = 34
5m = 34 + 6
5m = 40
m = 40/5
m = 8 <=== Maggie's age

b = 4m - 6
b = 4(8) - 6
b = 32 - 6
b = 26 .....brothers age
Maggie is 13 because if you