resuelve los sistemas de ecuaciones aplicando el metodo mas adecuado
1. 1/2x-1/2y=4
x+y=10
2. 1/3x+1/5y=3
1/3x-1/2y=-4
3. 3x+2y=1
x-5/4=x+2y
4. x-2(x+y)=3y-2
1/3x+1/2y=3
5. 6x-5y-7=0
-13x+30y-4=0
6. 0.2x+0.3y+0.2=0
3/2x+5/4y-5/2=0
ayuda es para hoy
1. 1/2x-1/2y=4
x+y=10
2. 1/3x+1/5y=3
1/3x-1/2y=-4
3. 3x+2y=1
x-5/4=x+2y
4. x-2(x+y)=3y-2
1/3x+1/2y=3
5. 6x-5y-7=0
-13x+30y-4=0
6. 0.2x+0.3y+0.2=0
3/2x+5/4y-5/2=0
ayuda es para hoy
Verified answer
1. x-y=8
x+y=10
2x=18
x=9
y=1
2. 1/3x+1/5y=3
1/3x+1/5y-3=0
5x+3y-45=0
5x+3y=45
1/3x-1/2y=-4
1/3x-1/2y+4=0
2x-3y+24=0
2x-3y=-24
5x+3y=45
2x-3y=-24
x=45/8
2x-3y=-24
2*45/8-3y=-24
Y=47/4