Respuesta :

Answer:

x=7

Step-by-step explanation:

7+7+7=3*?

7+7+7 is basically 3 sevens, which is equivalent to 3*7 or 7*3. So x=7.

Answer:

x=7

Step-by-step explanation:

7+7+7=3x

14+7=3x

21=3x

x=21/3

x=7