Question

3(10 - x) = 21

30 -
21
30 - 3x
= 21
- 3x
- 3x
-9
=
X =

Answer 1

Explanation:

I am answering blanks left to right and top to bottom.

3x

30 30

-9

-3 -3

x = 3

Answer 2

x=3

hope this answers is ok na