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8x-5=7y
6x=3y+6
POR SUMA O RESTA
8x-7y=5 (6) 48x-42y=30
6x-3y=6 (8) 48x-24y=48
-18y= -18
y=-18/-18
y= 1
8x-7y=5 (3) 24x-21y=15
6x-3y=6 (7) 42x-21y= 42
-18x-----= -27
x = -27/-18
x= 1,5
Verificación:
8(1,5)-7(1)=5
12 - 7 =5
5=5