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OpenStudy (anonymous):
What is a possible first step to eliminate the variable y in the following system? 4x + 6y = 1 5x – 3y = 8 Multiply the first equation by 5. Multiply the first equation by –2. Multiply the second equation by 2. Multiply the second equation by –3.
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hartnn (hartnn):
since the co-efficient of y in 2nd equation is -3, you can multiply it with 2 to get the co-efficient as -6, so that u can then add both the equations, eliminating y.
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