Question

If the first equation is multiplied by 3 and then the equations are added, the result is?
3x + y = 3
x - 3y = -2

Answer 1

where are you confused? If you wanna share your answer for the first part (multiplying by 3) i can help check your work.

Answer 2

i got 10x=11

Answer 3

Not quite... Here let me help out by writing it how you should do the math.
\[\huge 3(3x+y=3) \equiv 3(3x+y) = 3*3\]

Answer 4

9x + y = 9 9x + y=9 ??

Answer 5

9xy 9xy=9

Answer 6

You first answer is close! you're missing something with 'y'

Answer 7

Oh and the 3 lines is just a sign that means "equivalent" i was just trying to show two steps, not have two separate problems. does that make sense?

Answer 8

yea is it
10x = 7

Answer 9

Yes you are right..

Answer 10

thanks for the help!