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OpenStudy (anonymous):
What is a possible first step in eliminating a variable in the following system of equations? 4x + 5y = –23 3x + 10y = –14
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OpenStudy (turingtest):
multiply the top eqn. by -2
OpenStudy (turingtest):
then add the equations together eliminating the y's and solve for x
OpenStudy (anonymous):
Or multiply the top equation by 3 and the bottomr equation by -4.
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