Respuestas
Respuesta dada por:
15
X/5+3y/10=-1/5
3x/2+5y/4=5/2
10x/50+15y/50=-10/50
10x+15y=-10
6x/4+5y/4=10/4
6x+5y=10
10x+15y=-10
6x+5y=10
X=-10-15y/10
X=10-5y/6
6(-10-15y)=10(10-5y)
-60-90y=100-50y
-90y+50y=100+60
-40y=160
Y=160/-40
Y=-4
X=10-5y/6
X=10-5•(-4)/6
X=10+20/6
X=30/6
X=5
3x/2+5y/4=5/2
10x/50+15y/50=-10/50
10x+15y=-10
6x/4+5y/4=10/4
6x+5y=10
10x+15y=-10
6x+5y=10
X=-10-15y/10
X=10-5y/6
6(-10-15y)=10(10-5y)
-60-90y=100-50y
-90y+50y=100+60
-40y=160
Y=160/-40
Y=-4
X=10-5y/6
X=10-5•(-4)/6
X=10+20/6
X=30/6
X=5
Mary210109:
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