Respuesta:
55
Explicación paso a paso:
●180-(x+15)-->165-x
●180-(x+20)-->160-x
●180-2x
●180-(2x+5)-->175-2x
●180-(3x+5)-->175-3x
■■165-x+160-x+180-2x+175-2x+175-3x=360
■■855-9x=360
■■855-360=9x
■■495=9x
■■x=55
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Verified answer
Respuesta:
55
Explicación paso a paso:
●180-(x+15)-->165-x
●180-(x+20)-->160-x
●180-2x
●180-(2x+5)-->175-2x
●180-(3x+5)-->175-3x
■■165-x+160-x+180-2x+175-2x+175-3x=360
■■855-9x=360
■■855-360=9x
■■495=9x
■■x=55