Respuesta :
a=4.8
2.5a+12=5a
subtract 12 from both sides
2.5a=5a-12
subtract 5a from both sides
-2.5a=-12
divide both sides by -2.5
a=4.8
2.5a+12=5a
subtract 12 from both sides
2.5a=5a-12
subtract 5a from both sides
-2.5a=-12
divide both sides by -2.5
a=4.8