Question

Which expression is equivalent to -(5x+4)? a. -9x b. 9x c. 5x-4 d. -5x-4

Answer 1

-(5x+4)

-5x + (-1)(4)

-5x-4, so D



Note: -(a+b) = -1(a+b) =-a -b

Answer 2

D.

Use the distributive law

Hope this helps :)