SOLUTION: Method of Substitution 5. Find the point of intersection of each pair of lines. a) 2x=y+5 3x+y=-9 Pleaseeeeeeee and thank you very much!!!!!

Question 181847: Method of Substitution
5. Find the point of intersection of each pair of lines.
a) 2x=y+5
3x+y=-9
Pleaseeeeeeee and thank you very much!!!!!
Found 2 solutions by solver91311, josmiceli:
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

Solve this the same way I showed you in question 181852

http://www.algebra.com/algebra/homework/quadratic/Quadratic_Equations.faq.question.181852.html

John

Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
the intersection is the point (x,y) that
solves both equations
(a)
(b)
Subtract from both sides of (a)
(b)
(a)
Add (a) and (b)

Now plug this value of back into
either (a) or (b)
(a)

The intersection is at and
check answer:
(b)
(b)

OK
(a)

OK
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