What should be done to both sides of the equation in order to solve w - 9 = 15?
Add 15.
Subtract 15.
Add 9 1/2.
Subtract 9 1/2.

Respuesta :

Answer:

Add 9

Step-by-step explanation:

Adding 9 to both sides would isolate 'w'.

[tex]w-9=15\\\\w-9+9=15+9\\\\w=24[/tex]

Hope this helps.

EXTRA NOTE:

According to the answer choices, if the equation was [tex]w-9.5=15[/tex], it would of been adding 9.5 to both sides.

[tex]w-9.5=15\\\\w-9.5+9.5=15+9.5\\\\w=24.5[/tex]