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HELPFor the system below solve using linear combinations method 4x-7y=-2 and 12x-21y=-42

HELPFor the system below solve using linear combinations method 4x-7y=-2 and 12x-21y=-42
asked 62.2k views
3 votes
HELPFor the system below solve using linear combinations method 4x-7y=-2 and 12x-21y=-42

asked
User Mattias Ahnberg
by
7.7k points

1 Answer

1 vote
No solution

cz

12x-21y=-42 -----> /3 (divided by 3 )
4x-7y=14 ------ (2)
4x-7y=-2 ------- (1)

how 4x-7y =14 an = -2

and if we
(2)-(1)
0=12
#

answered
User Walter Kelt
by
8.0k points
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