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OpenStudy (anonymous):
5x + 2y = 8 x + y = 4 If you want to solve the system of equations by addition, which of the following could you do? Multiply the second equation by 5 and add. Multiply the second equation by 2 and add. Multiply the second equation by -2 and add.
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OpenStudy (trojanpoem):
third choice.
OpenStudy (trojanpoem):
5 x + 2y = 8 -2x - 2y = -8 x = 0 y = 4
OpenStudy (anonymous):
ok thanks:)
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