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Basile [38]
3 years ago
5

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

Mathematics
2 answers:
Arada [10]3 years ago
8 0
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
RUDIKE [14]3 years ago
5 0
3x+y=-14
-2x-y=9
++++++++++++
x=-5
y=1
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