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Mathematics, 21.11.2019 14:31 austintules2005

5x + 2y = 8
x + y = 4

if you want to solve the system of equations by addition, which of the following could you do?

a. multiply the second equation by 5 and add.
b. multiply the second equation by 2 and add.
c. multiply the second equation by -2 and add.

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5x + 2y = 8
x + y = 4

if you want to solve the system of equations by addition,...

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