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OpenStudy (anonymous):
Select the choice below that could be the first step in solving the following system of equations using elimination: -4x − 10y = 3 3y − 3x − 7 = 0
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OpenStudy (cwrw238):
multiply first equation by 3 and the second by -4 this will give -12x and 12x in first and second equations and adding them will eliminate x
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