Question
1
visibility
Find the value of x.

5

7

6

10
The correct answer is 6.
Please Note:
Use inverse operations to solve the equation for a variable.
Solution:
To solve the given equation for variable x, we use inverse operations.
Given equation:
x + 15 = 21
Now, subtract 15 from both sides and simplify.
x + 15 – 15 = 21 – 15
⇒ x = 6
So, the value of x is 6.