Respuesta:
x + 1 + x + 2 + x + 3 = AD
x + 1 + x + 2 + x + 3 = 30
3x + 6 = 30
x = 8
...............
8
Explicación paso a paso:
x+1+x+2+x+3=30
3x=24
x=24/3
x=8
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Respuesta:
x + 1 + x + 2 + x + 3 = AD
x + 1 + x + 2 + x + 3 = 30
3x + 6 = 30
x = 8
...............
Respuesta:
8
Explicación paso a paso:
x+1+x+2+x+3=30
3x=24
x=24/3
x=8