Question

Will medal!!
Consider the following pair of equations:

y = x + 4
y = –2x – 2

Explain how you will solve the pair of equations by substitution. Show all the steps and write the solution in (x, y) form.

Answer 1

http://hotmath.com/help/gt/genericalg1/section_5_2.html

Answer 2

i need help with this problem

Answer 3

x+4=-2x-2
solve

Answer 4

hint:
we can write:
\[\Large x + 4 = - 2x - 2\]

Answer 5

all that was done was I plugged equation 1 into equation 2

Answer 6

how do i do it with substitution?

Answer 7

that is substitution

Answer 8

more precisely:
\[\Large x + 4 = y = - 2x - 2\]

Answer 9

you have to replace y with x+4, into the second equation