Respuesta :
KL + LM = KM
2x + 5x = 7
7x = 7
x = 7/7
x = 1
KL = 2x......2(1) = 2
LM = 5x.....5(1) = 5 <====
2x + 5x = 7
7x = 7
x = 7/7
x = 1
KL = 2x......2(1) = 2
LM = 5x.....5(1) = 5 <====