Respuesta :
Answer:
s = 16
l = 20.
Step-by-step explanation:
12s + 7l = 332
9s + 14l = 424
Multiply first equation by -2:
-24s - 14i = -664 Now add this to second equation:
-15s = -240
s = 16
Now substitute s = 16 in equation 2:
9(16) + 14i = 424
14i = 424 - 144 = 280
l = 20.
