El doble de un numero mas el triple d e su consecutivo e s 23. hallar el numero
a.4
b.5
c. 3
d.6
e. ninguna
a.4
b.5
c. 3
d.6
e. ninguna
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su consecutivo= x+1
2x+3 (x+1)=23
2x+3x+3=23
5x+3=23
5x=23-3
5x=20
x=20/5
x=4
R= 4