Question

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

Answer 1

d.

Use the distributive law

Hope this helps :)

Answer 2

-(5x+4)

-5x + (-1)(4)

-5x-4, so D



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