Question

Which of the following is a valid conclusion based on the given argument?

If 2x + 3 = 13, then x = 5.​

Answer 1

2x + 3 = 13

x=5

2(5)+3=13

10+3=13

13=13

Answer 2

Given that x=5, when we substitute in 5 for 2x + 3 = 13, the equation will turn out to be true.

Explanation:

2x + 3 = 13 x=5

2(5)+3=13

10+3=13

13=13