SOLUTION: 2x-4y=6 3x+y=-5 what are the coordinates of the point of intersection?
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Question 160931
:
2x-4y=6
3x+y=-5
what are the coordinates of the point of intersection?
Answer by
KnightOwlTutor(293)
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2x-4y=6
3x+y=-5
Solved by
pluggable
solver:
SOLVE linear system by SUBSTITUTION
Solve:
We'll use substitution. After moving -4*y to the right, we get:
, or
. Substitute that
into another equation:
and simplify: So, we know that y=-2. Since
, x=-1.
Answer:
.