Question

Maria wants to solve the following system using the elimination method:

4x + 9y = 59
x + y = 17

What number should the equation x + y = 17 be multiplied by to eliminate y?

4
−4
9
−9

Answer 1

Hello Mila

Answer 2

Hello

Answer 3

We want to eliminate "y" from the equations so we would multiply
x + y = 17
by -9 then add both equations.

Answer 4

ok

Answer 5

@wolf1728 So would it be -9 ?

Answer 6

Yes.
Do you need to solve the equations or is -9 all you need?

Answer 7

-9 is all I need thank you :)

Answer 8

u r welcome

Answer 9

@wolf1728 Can you help me with one more please?