Question

Explain the error in the student’s work 3(x − 5) = 273(x − 5) + 5 = 27 + 53x = 333x3 = 333x = 11

Answer 1

3(X-5)=27. 3x-15=27. 3x=42. X=14. It looks like they tried to add 5 instead of multiplying it, and they added 5 and 27 wrong. :)