Respuesta :
Answer:
3a + a - 15 = 225 . your substituting b(a-15) into the first equation.
Step-by-step explanation:
Answer:look at the picture
Step-by-step explanation: Hope this help
Answer:
3a + a - 15 = 225 . your substituting b(a-15) into the first equation.
Step-by-step explanation:
Answer:look at the picture
Step-by-step explanation: Hope this help