Respuesta :

Cytokine

-18 + x = -11

Let's add 18 to both sides

x = 7

Advent5647

Answer:

7

Step-by-step explanation:

Step 1:

- 18 + x = - 11

Step 2:

x = - 11 + 18

Answer:

x = 7

Hope This Helps :)

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