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How many solutions does the following system have? x + y=7 - x - y = 7
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How many solutions does the following system have?
x + y=7
- x - y = 7

How many solutions does the following system have? x + y=7 - x - y = 7-example-1
User InitJason
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1 Answer

8 votes
Answer: A
-x - y = 7
-(7 - y) - y = 7
-7 + y - y = 7
y - y = 14
0 = 14
User Yesse
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