Question

5x-y=-6
-x+y=2
solve?

Answer 1

is it moltiple chiece ?

Answer 2

Add equations together first

Answer 3

can you walk me through?

Answer 4

(5x-y)+(-x+y)=(-6)+(2)
Reorder terms
5x-x-y+y=-6+2

Combine like terms
4x+0=-4
4x=-4
so x equals what?

Answer 5

...ihave no idea...

Answer 6

How do you undo multiplication?

Answer 7

divide

Answer 8

so we need to divide by whatever is in front of x which is?

Answer 9

4

Answer 10

so if you divide both sides by 4 of 4x=-4
we get x=?

Answer 11

-4/4?

Answer 12

which is ?

Answer 13

x=-4/4=-1

Answer 14

now you can plug this into either equation you started with to find y