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Mathematics, 06.03.2020 23:36 Isaiahtate053
The equations –a – 7b = 14 and –4a – 14b = 28 represent a system of linear equations. Which statement correctly explains how to eliminate the variable b when solving the system of equations? A. Multiply the first equation by –2 and add it to the second equation. Then solve the resulting equation, –2a = 0. B. Multiply the first equation by 2 and add it to the second equation. Then solve the resulting equation, –2a = 0. C. Divide the second equation by –4 and add it to the first equation. D. Divide the second equation by 4 and add it to the first equation.
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The equations –a – 7b = 14 and –4a – 14b = 28 represent a system of linear equations. Which statemen...
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