Question

Select all the expressions that are equivalent to 9 + 7x - 3y.

09+ 7x + 3y
09 - 7x - 3y
09 - 7x + 3y
9+ 7x + (-3y)
9-(-7)x - 3y

Answer 1

9-(-7)x-3y is your answer!
When you’re subtracting a negative it automatically turns positive!