Mathematics, 19.10.2019 09:30, kenishawilkinsoy4mgw
In order to solve the following system of equations by addition, which of the following could you do before adding the equations so that one variable will be eliminated when you add them?
4x-2y=7
3x-3y=15
a. multiply the top equation by 3 and the bottom equation by 4
b. multiply the top equation by 3 and the bottom equation by 2
c. multiply the top equation by -3 and the bottom equation by 2
d. multiply the top equation by 1/3.
Answers: 3
Mathematics, 21.06.2019 17:00, a897coleman
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Answers: 3
Mathematics, 21.06.2019 23:30, liaholmes8
Walking at a constant rate of 8 kilometers per hour, juan can cross a bridge in 6 minutes. what is the length of the bridge in meters?
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In order to solve the following system of equations by addition, which of the following could you do...
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