Explicación paso a paso:
2x+y=3
3x-4y=10
y=3-2x
3x-4*(3-2x)=10
3x-12+8x=10
3x+8x=10+12
11x=22
x=22/11=2
y=3-2*2=3-4=-1
Comprobamos
2*2-1=4-1=3
3*2-4*(-1)=6+4=10
Soluciones
X=2
Y=-1
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Verified answer
Explicación paso a paso:
2x+y=3
3x-4y=10
y=3-2x
3x-4*(3-2x)=10
3x-12+8x=10
3x+8x=10+12
11x=22
x=22/11=2
y=3-2*2=3-4=-1
Comprobamos
2*2-1=4-1=3
3*2-4*(-1)=6+4=10
Soluciones
X=2
Y=-1