16.) Circle or highlight where
the student made a mistake and
then find the correct solution:
3x-4+2(x-5)=9x+8-2x
Student Work:
3x-4+2(x-5)=9x+8-2x
3x-4+2x-10=7x+8
5x-6=7x+8
+6
+6
5x=7x+14
-7x-7x
-2x=14
-2-2
X=-7