Question

Need help with system:
-4x-2y=14
-10x+7y=-25

Answer 1

have u tried it? where are u stuck?

Answer 2

i need to know what to multiply what to begin elimination

Answer 3

first decide which one do u want to eliminate?

Answer 4

-10x+7y=-25

Answer 5

No, which variable.. x or y/

Answer 6

y

Answer 7

Alright, now if u make both 14, you can easily cancel them out.
to that you have to multiply both of the equations...

equation 1 with (7)
-4x-2y=14

equation 2 with 2.
-10x+7y=-25

Answer 8

ooooooooooooooooooooooooooooooooooooooooooooooooooh...yeah i knew that...

Answer 9

thanks

Answer 10

this will give you,

-28x -14y = 98
-20x + 14y = -50

Answer 11

-48x = 48
x = -1

Answer 12

And so on..... :)

Answer 13

yeah i knew that.............:(....................thanks