143k views
3 votes
What is the solution to the following

equation?
7x - 20 = -41
-
a). X=-3
b). X=3

User Joe White
by
3.1k points

1 Answer

8 votes

Answer:

A). X = -3

Explanation:

Step 1: Add 20 to both sides.


  • 7x-20+20=-41+20

  • 7x=-21

Step 2: Divide both sides by 7.


  • 7x/7 = -21/7\\

  • x=-3

Step 3: Check if solution is correct.


  • 7(-3)-20=-41

  • -21-20=-41

  • -41=-41
User Hasnat Safder
by
3.4k points