SOLUTION: How many solutions does the system have ? x+2y=-3 2x+4y=-6

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Question 719265: How many solutions does the system have ?
x+2y=-3
2x+4y=-6
Answer by solver91311(24713) About Me  (Show Source):
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Multiply the first equation by 2. Notice that both equations are now identical. Hence, any ordered pair that satisfies one of the equations satisfies the other. So the number of solutions of one of the equations is the number of solutions of the system.

John

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