Question

It's given that 2x + y=5
X= -4
How do i get y?
I'm so stuck on this please help me

Answer 1

substitute for x. it tells you the value for it ..

Answer 2

-8 right?

Answer 3

then what's next?

Answer 4

-8 + y = 5

Answer 5

as per the substitution...

Answer 6

5-8=y?
Y=-3

Answer 7

is it the next step?

Answer 8

nope, you add 8 to both sides. what you did there was add 5 to both sides, and 5+5 != 0

Answer 9

5+8=y
y=13

Answer 10

is it the answer?

Answer 11

so yes, @michu you are correct :D

Answer 12

1.substitute -4 for x in the original equation
2.-8+y=-4
3.moving the - 8 to the other side of the equation changes the sign to +8
4.+8+(-4)=?=4
5.y=4