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Math
·
Algebra
·
Systems of two linear equations in two variables
medium
If the equations
−
9
x
+
y
=
20
and
9
x
+
y
=
20
are graphed in the xy-plane, at what point
(
x
,
y
)
do the graphs intersect?
A
(0,20)
B
(0,9)
C
(9,0)
D
(20,0)
If the equations \(-9x + y = 20\) and \(9x + y = 20\) are graphed in … | Math SAT Question | Ronan SAT