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You use substitution to solve a system of equations and after simplifying end with a statement that says 7=7 discrible what this statement means about the number of solutions and about the graph of the
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17 votes
17 votes
You use substitution to solve a system of equations and after simplifying end with a statement that says 7=7 discrible what this statement means about the number of solutions and about the graph of the system

User Anelise
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18 votes
18 votes
7 = 7 is true for all values of x
Hence there are infinite solutions and the graphs of the system are concurrent.
If the system used straight lines then they would be on top of each other.
User Dinesh Haraveer
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