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How to solve 3x+y=-14;-2x-y=9
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How to solve 3x+y=-14;-2x-y=9

User Yadav Chetan
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2 Answers

4 votes
3x+y=-14
-2x-y=9
++++++++++++
x=-5
y=1
User Pgrzesik
by
8.2k points
3 votes
This is a set of simultaneous equations.
3x+y=-14
-2x-y=9
Use elimination by addition
x=-5
the substitute for y
y=1
User Codo
by
7.9k points
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