Question

Evaluate y = x – 13 when x = –3.

Answer 1

Plug in the number
y=-3-13
-3-13=?

Answer 2

=y?

Answer 3

no
-3-13 is what? what does it equal?

Answer 4

-16

Answer 5

Good so y=?

Answer 6

-16

Answer 7

good ^.^

Answer 8

Thank you! I got one more could you help me with

Answer 9

Solve the system of equations. 2x+3y=1 y=3x+15 ( , )

Answer 10

Sub in y in equation 1

2x+3(3x+15)=1
solve for x

Answer 11

?

Answer 12

2x+3y=1 <--equation 1
y=3x+15 <---equation 2
Using substituion we take equation 2 and plug it into equation 1 because we know the value of y
so
2x+3(3x+15)=1
from here solve for y