A teacher asked her students to solve the equation w-9=28. One student incorrectly said that the solution is 19. What is the correct solution? What mistake might the student have made?
The solution is
nothing. (Type the value of w.)

37

Step-by-step explanation:

In the order of solving an equation you do the opposite of the original sign(-). so you add 9 on both sides of the equal sign and your left with w=37.

no

step-by-step explanation:

2-7=-5

7-2=5

when you combing like terms for ech expression, 5 and -5. these numbers are not equal to each other.