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OpenStudy (anonymous):
Find the choice below which gives a first step in solving the given system of equations by the addition method. 2x - 3y = 7 x - 4y = 2 Multiply the first equation by 3 and the second by 4. Multiply the first equation by -4 and the second by -2. Multiply the second equation by -2. Multiply the first equation by 4.
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OpenStudy (anonymous):
Hello if you multiply the second equation by -2 you get -2x + 8y = -4 so you can add it to the 1st equation 2x + 3y = 7 and you eliminate "x"
OpenStudy (anonymous):
thanx
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