Respuesta:
corona pls
Explicación paso a paso:
10. X-1+X+X+1=102
3X=102
X=34
RPTA=34
11.x+x+2+x+4=132
3x+6=132
3x=126
x=42
termino medio=x+2=42+2=44
RPTA=44
12.X+X+2+X+4=117
3X+6=117
3X=111
X=37
RPTA=37
13.el numero=2x
x+21=4x
21=3x
7=x
2x=2(7)=14
RPTA=14
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Verified answer
Respuesta:
corona pls
Explicación paso a paso:
10. X-1+X+X+1=102
3X=102
X=34
RPTA=34
11.x+x+2+x+4=132
3x+6=132
3x=126
x=42
termino medio=x+2=42+2=44
RPTA=44
12.X+X+2+X+4=117
3X+6=117
3X=111
X=37
RPTA=37
13.el numero=2x
x+21=4x
21=3x
7=x
2x=2(7)=14
RPTA=14