Respuesta :
- She divided by 3 instead of the GCF.
- She didn’t complete step 4 and use the distributive property to be sure the expressions are equivalent.
- She didn’t undistribute the GCF from the original expression.
- She didn’t complete step 4 and use the distributive property to be sure the expressions are equivalent.
- She didn’t undistribute the GCF from the original expression.