Question

Solve the system of equations by either the addition method or the substitution method.



Choose one answer.
a. (-3, 6)
b. (-2, 5)
c. (2, 6)
d. no solution

Answer 1

Which method do you choose to use?

Answer 2

being that one of the equations is: x=-8y+38 it would be easy to substitute for X ie. using the substitution method.

Answer 3

However it is your choice.

Answer 4

Using substitution:
4(-8y+32) + 7y = 27
-32y+152 +7y =27
-25y=-125
y=5
Now you substitute 5 for y in first equation x=-8y+38 and solve for X
x=-40+38
x=-2
choice b.