Respuesta :
2,500+2000a=47,900-800a
-2,500 -2,500
2000a=45,400-800a
+800a +800a
2800a=45,400
/2800 /2800
a = 16.21
-2,500 -2,500
2000a=45,400-800a
+800a +800a
2800a=45,400
/2800 /2800
a = 16.21
2,500+2000a=47,900-800a=> 2000a + 800a = 47900 - 2500
=> 2800 a = 45400
=> a = 45400 / 2800
=> a = 227/14
Hope it helps!!!
=> 2800 a = 45400
=> a = 45400 / 2800
=> a = 227/14
Hope it helps!!!