Question

Use the substitution method to solve the system of equations. Choose the correct ordered pair.

y = 7x + 8
y = x + 20

A. (3, 29)
B. (2, 22)
C. (2, 8)
D. (7, 8)

Answer 1

plug "7x+8" in the y=x+20 formula for y and try to solve for x

Answer 2

ok

Answer 3

\[7x+8=x+20 \]

Answer 4

x=2

Answer 5

then plug 2 for x and solve for y

Answer 6

We can eliminate A and D

Answer 7

yes :)

Answer 8

Would it be B?

Answer 9

yes u r right :)

Answer 10

Sweet!! :D Thanks!

Answer 11

np