Question

Justify the first step that David took in verifying that x = 5 is a solution for the equation

8x – 13 = 2x + 17.


8x – 13 = 2x + 17

8(5) – 13 = 2(5) + 17




A.


David multiplied 8 by 5.




B.


David subtracted 13 from both sides.




C.


David replaced x with 5.




D.


David added 17 to both sides

Answer 1

What we see here is how David replaced the "x" with "5" and there is one obvious correct answer here.

Answer 2

thanks

Answer 3

You're welcome