Mathematics, 17.07.2019 00:30 Reganlist

2. in order to eliminate the y from this system of equations,
3x + 12y = 21
6x + 4y = 22
you could
(1) multiply both sides of the first equation by -2.
(2) multiply both sides of the second equation by -3.
(3) multiply both sides of the first equation by -3.
(4) multiply both sides of the second equation by 1/2.
: ( i’m stuck.

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2. in order to eliminate the y from this system of equations,
3x + 12y = 21
6x + 4y = 22...