Question

NEED HELP ASAP

The system of equations is coincident.



What are the missing values?

Answer 1

3x + y = 7

9x + ___ y = ___

Answer 2

coincident means the same

Answer 3

i know :)

Answer 4

ay=3y,b=3*7=21

Answer 5

where a is the first black, b is the second

Answer 6

so what would go in the blanks?

Answer 7

3 in the first, 21 in the second

Answer 8

thank you a lot!!! i suck at math XD

Answer 9

and i gave you a fan and medal :)