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x=0 6*0+6=6
x=1 8*1-2=6
x=0 2*0+3=3
Para verificar remplazamos el valor de la variable en la ecuacion y debe dar una igualdad
2x - 1= 5
2x = 5+1
2x = 6
x = 6/3
x = 3
verificacion
2(3) -1 = 5
5=5
-----------------------
6x + 6 =6
6x = 6-6
6x = 0
x = 0/6
x = 0
verificacion
6(0) + 6 = 6
6= 6
-----------------------------
8x -2= 6
8x = 6+2
8x = 8
x = 8/8
x = 1
verificacion
8(1) - 2 = 6
8-2 = 6
6=6
-------------------------------------
2x + 3 =3
2x = 3-3
2x = 0
x = 0/2
x = 0
verificacion
2(0) + 3 = 3
3= 3
saludos