Question

solve the system of equations using elimination 2x+4y=-8
-3x+4y=2

Answer 1

change the sign on one of the equations and you can get rid of the y

Answer 2

Subtract second equation from first:-
2x+4y=-8
-(-3x)-(4y)=-2
-------------
5x=-10
x=-10/5=2

Answer 3

Now put the value of 'x' in any equation & find 'y' :)

Answer 4

Can u do that from now???

Answer 5

y=-16 ?

Answer 6

and x=-2 ?

Answer 7

Wait I have done a mistake it's x=-2
2x+4y=-8

Answer 8

2(-2)+4y=-8
-4+4y=-8
4y=-8+4
4y=-4
y=-4/4=-1

Answer 9

so y=-1 ?

Answer 10

yes why not ;)

Answer 11

Understand now :)

Answer 12

sorry it took so long to reply, i got busy but i got x=2, y=3

Answer 13

See my solution @jkd13 :)

Answer 14

haha we made the same mistake but yes your right.

Answer 15

your second answer

Answer 16

it's right:)