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Mathematics 19 Online
OpenStudy (anonymous):

Select the best possible first step to solving the system by first eliminating the y variable. 4x – 5y = 4 3x + 2y = –20 possible answers Multiply the first equation by –2 and multiply the second equation by 5. Multiply the first equation by 2 and multiply the second equation by 5. Multiply the first equation by 2 and multiply the second equation by –5. None of the above

OpenStudy (anonymous):

Second option

OpenStudy (jiteshmeghwal9):

First multiply to make one of the variables in both of the equation . Let's make 'x'. so, 3(4x-5y)=(4)3 4(3x+2y)=(-10)4 so, none of the above. ANS.

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