Respuesta :

Answer:

10

Step-by-step explanation:

it is 10 I jus did it 120 =12 x x =12 10

In the equation 120 = 12x, x = 10.

Explanation:

Ten is its own power, so we can just move 12 one shift to the left, which would result in 120. If x = 12, then the output would have to be 144.

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