Question

Someone please help

Answer 1

Choose the equivalent system of linear equations that will produce the same solution as the one given below.

6x + 2y = -6
3x - 4y = -18

12x + 4y = -12
15x = -30
8x + 4y = -4
14x = -10
6x - 8y = -36
-6y = -42
6x - y = -15
3y = 9

Answer 2

I'd ... get "x" and "y" values from the given one,
and
test against the choices provided

Answer 3

I dont know how to

Answer 4

if you look at the 2nd equation for every pairs of equations
15x = -30

14x = -10


-6y = -42

3y = 9

you can solve for the x or y, and sub it back into the equation about to solve for the otehr x or y

Answer 5

or working with your 2 equations given
6x + 2y = -6
3x - 4y = -18

you can multiply the 2nd equation by -2 and add both of the equations
6x+2y=-6 eqn(1)
-2(3x-4y=-18) eqn(2)


6x+2y=-6 eqn (1)
-6x+8y=+36 eqn (2)

if you add both equations

6x+2y=-6
10y=30 <-------- this is a result of adding equation (1) and (2)

Answer 6

so its b?

Answer 7

try multiplying the 1st equation by 2 this time and add it to the bottom one see what u get
6x + 2y = -6
3x - 4y = -18

Answer 8

yeah it is b