Question

(i) 3x - 21 = 0; x =
​

Answer 1

$3x - 21 = 0 \\ \\ 3x = 21 \\ \\ x = \frac{21}{3} \\ \\ x = 7$

#lovelove!

Answer 2

Answer:

____･۝･heya･۝･____

3x=21

X=21/3

X=7