Question

The system of equations is coincident.

What are the missing values?

3x + y = 7
9x + _ y = _

Answer 1

@Catlover5925

Answer 2

for the 2 equations to be coincident then ratio of the coefficienst of y and the ratio of the numbers must be the same as ratio of the coefficients of x.

Answer 3

@cwrw238 so first blank is 3?

Answer 4

yes

Answer 5

and second is 7?

Answer 6

no 3 * 7

Answer 7

3:9 = 1:3 = 7:21

Answer 8

so second is 21 right