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.

asked Apr 13, 2019 88.2k views

5 votes

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.

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1 vote

x = -2
y = 2

You can get this by setting the two different y's equal to each other and solving for the x value.

Neil Hampton answered Apr 14, 2019

7.4k points

2 votes

substitute y
−2x − 2= x + 4
-2x-x=4+2
-3x=6
x=6/(-3)=-2
Y = x + 4, y=-2+4=2
(-2,2)

Kousen answered Apr 16, 2019

7.6k points

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