Respuesta :

Answer:

Multiply by 3

10 × 3 = 30

Step-by-step explanation:

Multiply by x

3x = 9

10x = y

8x = 24

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3x = 9

x = 3 --- divide both sides by 3

8x = 24

x = 3 --- divide both sides by 3

10(3)

30