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PerguntasBrainly
@PerguntasBrainly
May 2020
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Guther
3 votes
Thanks 1
snunes2
Multiplique a+2c=1 por -3 --------- -3a-6c=-3
subtraia agora de 3a+4c=0
-3a-6c=-3
0 -2c=-3 ------ c=3/2
se c=3/2 a=-2 ( a+2*3/2=1 ---- a=1-3 ---- a=-2
agora multiplique b+2d=0 por -3 ------- -3b-6d=0 subtraia de 3b+4d=1
3b+4d=1
-3b-6d=0
0 -2d=1 ------ d=-1/2
se d=-1/2 b=-1 ( b+2d=0 ----- b+2*-1/2=0 ----- b=-1
1 votes
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subtraia agora de 3a+4c=0
-3a-6c=-3
0 -2c=-3 ------ c=3/2
se c=3/2 a=-2 ( a+2*3/2=1 ---- a=1-3 ---- a=-2
agora multiplique b+2d=0 por -3 ------- -3b-6d=0 subtraia de 3b+4d=1
3b+4d=1
-3b-6d=0
0 -2d=1 ------ d=-1/2
se d=-1/2 b=-1 ( b+2d=0 ----- b+2*-1/2=0 ----- b=-1