Question

What is -1 - 9
Solve for 2x-4y =20
X=4

Answer 1

-1 - 9 = -10 &

y = -3

Explanation:

2x - 4y = 20

2(4) - 4y = 20

8 - 4y = 20

-4y = 12

y = -3

good luck, i hope this helps :)

Answer 2

So -1-9= -10

And if x =4 then 2(4)-4y=20

Y= -3

Explanation:

2(4)-4y=20

8-4y=20

-4y=12

y=-3