What is the solution to this equation? x- 12 = 9 O A. =-3 O B. x=21 O c. x= 3 O D. x=-21

asked Jul 3, 2021 208k views

0 votes

What is the solution to this equation?

x- 12 = 9
O A. =-3
O B. x=21
O c. x= 3
O D. x=-21

8.0k points

Please log in or register to add a comment.

4 votes

B.
You add +12 to both sides and the left side cancels out, leaving X. Then 9+12=21. So X=21

Orvil answered Jul 6, 2021

by Orvil

8.9k points

5 votes

Answer:

Explanation:

$x- 12 = 9 \\ x = 12 + 9 \\ x = 21$

Rushee answered Jul 9, 2021

8.8k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers