Consider the system of equations. 3x + 2y = 16, x + y = 4 Which numerical values could you multiply the second equation by to el

Question

4 years ago

14

iminate a variable? Select all that apply. 2 –2 3 –3 4 –4

2 answers:

sattari [20] · Answer 1 · 2021-12-24T13:17:48+03:00

7 0

Answer:

-2 and -3

Step-by-step explanation:

andrezito [222] · Answer 2 · 2021-12-24T11:46:39+03:00

andrezito [222]4 years ago

4 0

Answer: -2

Step-by-step explanation:

3x+2y=16

x+y=4 multiply by -2

-2x-2y=-8

3x+2y=16 ------a

-2x-2y=-8 -------b

Add equation a and b

(3x+-2x)+(2y+-2y) = 16+(-8)

x+0=8 (y has been eliminated)