Work Step by Step
Using the information, make an equation. I will use variable x. Set it up by doing 45=x-20. Since 20 is negative, we must add 20 to both sides to isolate x. 45+20=x. X=65
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.