42.50$ ? 21 times 1.25 plus 13 times 1.25 = 42.50?
Answer: x=3
Step-by-step explanation:
To solve this problem you must apply the proccedure shown below:
- Multiply both sides of the equation by 3:

- Now you must make the equation equal to zero as following:

- Factor it, as you can see below. Therefore, you obtain the following result:

You would divide 6 by 30.
6/30=0.2
Therefore the answer is D
The answer to the question is
52b - 43