Question

what should you substitute for y in the second equation (bottom equation) in order to solve the system by the substitution method?
5x +y=10
3x -2y=6
a.-0.2y + 2
b.1.5x + 3
c.-5x + 10
d.5x - 10

Answer 1

y= 10-5x by rearrangement. this is equivalent to c.

Answer 2

thanks so much =)

Answer 3

sorry my answer is wrong! ill try again...

Answer 4

it is right

Answer 5

oh yeah...haha...i answered and then confused myself thinking I needed to rearrange the second equation...my bad. stick with my first answer :)