What reason allows the following statement to be true?

Given AB + CD = JK and CD = 5, then AB + 5 = JK

Answer: Subtituting CD = 5 in AB + CD = JK

Step-by-step explanation:

Hi, to answer this question we have to analyze the information given:

• AB + CD = JK (equation 1)

• CD = 5 (equation 2)

So, we simply have to combine the equations.

Substituting CD = 5 in equation 1:

AB + CD = JK

AB + (5) = JK

Feel free to ask for more if needed or if you did not understand something.