Respuesta:
5(2x+3)+2x+5≥2(x+30)
10x+15+2x+5≥2x+60
12x+20≥2x+60
12x-2x≥60-20
10x≥40
x≥4
RPTA.- {4;5;6;...}
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Respuesta:
5(2x+3)+2x+5≥2(x+30)
10x+15+2x+5≥2x+60
12x+20≥2x+60
12x-2x≥60-20
10x≥40
x≥4
RPTA.- {4;5;6;...}