when x=2 what does y equal?

y would equal -6.

Let's see how happy7 got that answer....substituting 2 for x

4.8(2)+1.2(y)=2.4

9.6 + 1.2y = 2.4      subtract 9.6 from both sides

1.2y = - 7.2    divide by 1.2 on both sides

y = -6