Mathematics, 16.12.2020 21:00 moowalden1239

Which step(s) would create equations so that the coefficients of one of the variables are opposites?
(A) Multiply the first equation by 7.
Multiply the second equation by 3.
(B) Multiply the first equation by -2.
Multiply the second equation by 4.
(C) Multiply the first equation by 2.
(D) Multiply the second equation by 4.

Which step(s) would create equations so that the coefficients of one of the variables are

opposit

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Which step(s) would create equations so that the coefficients of one of the variables are opposites...