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OpenStudy (1dfanatic):
Without graphing, decide whether the system has one solution, no solution, or an infinite number of solutions. Make sure to explain your answer for credit. y = 2x -2x + y = - 5
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OpenStudy (retireed):
Plug in y = 2x into the second equation -2x + y = -5. What do you get ?
OpenStudy (retireed):
-2x + 2x = -5 now solve the equation.
OpenStudy (1dfanatic):
there is no solution
OpenStudy (retireed):
Perfect. 0 does not equal -5. no solution.
OpenStudy (1dfanatic):
thank you!
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