Respuesta :

Answer:

60cm

Step-by-step explanation:

12x-10x=120

2x=120

x=60

lSuckAtLife

Answer:

60 cm

Step-by-step explanation:

We know that 12x - 10x = 120.

We simplify that to 2x = 120.

That way, x = 60.

The length of the line is 60 cm.

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