resuelve las ecuaciones en tu cuaderno x + 4 x = 235 a-0.15a=850 184==5y-y 43+n+24+n=137 z+0.05z=45.15 m+1/2m=126 ayuda por favor es para hoy <33
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Explicación paso a paso:
x+4x=235
5x=235
x=235/5
x=47
a-0.15a=850
0.85a=850
a=850/0.85
a=1000
184=5y-y
184=4y
y=184/4
y=46
43+n+24+n=137
67+2n=137
2n=70
n=35
z+0.05z=45.15
1.05z = 45.15 (multiplicamos por 100 a ambos)
105z = 4515
z=4515/105
z=43