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How many solutions does the system of equations have? y=−2x+12 4y+x−20=0

are you sure that it will take 12 weeks for Joelle and Lewis to have the same number of rocks in their collections.

Two systems of equations are shown: 4x+y=−1 x+y=2 and 8x+2y=−2 −4x+cy=−8 What would the value of c need to be to get the same solution for both systems? ( Responses 2 1 4 -4 -2