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x+1=16
x+2=17
x+3=18
x+4=19
x+x+1+x+2+x+3+x+4=85
5x=85-10
5x=75
x=15
x
x+1
x+2
x +3
x+4
x +x+1 x+2 +x+3 +x+4 = 85
5x +10 = 85
5x = 85-10
5x = 75
x = 75/5
x = 15
comprobacion
5x +10 =85
5*15 +10= 85
75 +10 = 85
85 = 85
los numeros son
15
16
17
18
19