Respuesta
1) 2x-9=-2x-5
2x+2x=-5+9
4x=4
X=4/4
X=1
Vereficacion
2(1)-9=-2(1)-5
2-9=-2-5
7=7
2) 3-x=-2x-5
-x+2x=-5+3
X=-2
3-(-2)=2(-2)-5
3-2=4-5
1=1
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Respuesta
1) 2x-9=-2x-5
2x+2x=-5+9
4x=4
X=4/4
X=1
Vereficacion
2(1)-9=-2(1)-5
2-9=-2-5
7=7
2) 3-x=-2x-5
-x+2x=-5+3
X=-2
Vereficacion
3-(-2)=2(-2)-5
3-2=4-5
1=1