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How many solutions does the system: picture have?
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How many solutions does the system: picture have?

How many solutions does the system: picture have?-example-1
User Fetti
by
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1 Answer

1 vote

Answer:

The system has one solution

Explanation:

we have


9x+y=3 ------> equation A


9x-y=7 ------> equation B

Adds equation A and equation B


9x+y=3\\9x-y=7\\-------\\9x+9x=3+7\\18x=10\\x=10/18\\x=5/9

find the value of y


9(5/9)-y=7


5-y=7


y=5-7=-2

The solution is the point (5/9,-2)

User Dee
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6.5k points
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