Explicación paso a paso:
90= 2a + a + 48
3a = 90 - 48
a = 14
180 - 14 = 166
ᵉˢᵖᵉʳᵒ ʰᵃᵇᵉʳᵗᵉ ᵃʸᵘᵈᵃᵈᵒ :)
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Explicación paso a paso:
90= 2a + a + 48
3a = 90 - 48
a = 14
180 - 14 = 166
ᵉˢᵖᵉʳᵒ ʰᵃᵇᵉʳᵗᵉ ᵃʸᵘᵈᵃᵈᵒ :)