Respuesta :

y=9 when x=3 and can i get brainliest
6.4(3) + 2.8y = 44.4
19.2 + 2.8y = 44.4
2.8y = 25.2
y = 9

check to make sure we are correct:
6.4(3) + 2.8(9) = 44.4