Two equations and their graphs are given. Find the intersection point(s) of the

Algebra
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Two equations and their graphs are given. Find the intersection point(s) of the graphs by solving the system.

 
3x + y = −17
x − 3y = −9
(xy) = 
  
Apr 21st, 2015

3x+y=-17

y=-3x-17................1

x-3y=-9

y=x/3+3..................2

at intersection the two equations are equal

-3x-17=x/3+3

-20=10/3x

x= -6

y=1

intersection point is (-6,1)

Apr 21st, 2015

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