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dsp73
3 years ago
12

What is the solution to this system of linear equations? Y-x=6 y+x=-10

Mathematics
1 answer:
snow_tiger [21]3 years ago
8 0
\left\{\begin{array}{ccc}y-x=6\\y+x=-10\end{array}\right\ \ \ |add\ both\ sides\ of\ the\ equations\\\\2y=-4\ \ \ \ |:2\\y=-2\\\\substite\ the\ value\ of\ y\ to\ second\ equation\\\\-2+x=-10\ \ \ |+2\\x=-8

Answer:\ x=-8\ and\ y=-2

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