Respuesta:
a) x+3=11
x=8
b) x/2=18
x=36
c) N+9+2=25+4
N+11=29
N=18
d) 5N+5=15
5N=10
N=2
e) 10+N-8=1
10+N=9
N= -1
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Respuesta:
a) x+3=11
x=8
b) x/2=18
x=36
c) N+9+2=25+4
N+11=29
N=18
d) 5N+5=15
5N=10
N=2
e) 10+N-8=1
10+N=9
N= -1