Question

please solve 10, 11 and 12. Will give brainliest to the first answer. Plz show work. :)

Answer 1

10.

3x = 21

Divide by 3

x = 7

11.

7x = 63

Divide by 7

x = 9

12.

This question is different.

The LCM of 10 and 5 is NOT 50.

The LCM is actually 10, as 5 * 2 = 10.