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expeople1 [14]
3 years ago
15

What is the most efficient way to solve this system of equations, and why? 3x+4y=-1 y=-x

Mathematics
1 answer:
NISA [10]3 years ago
7 0
The most efficient way to do this is by plugging in -x to y


Work:

3x+4(-x)=-1

3x-4x=-1

x=1
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