Select the two equivalent expressions. A. m + 2m + 8 + m + 9
B. 10 + 3m + m + 6
C. 4(m + 16)
D. 4(m + 4)

B. and D.

B. 10m+3m+m+10+6=4m+16

D. 4(m+4)=4m+16

set each factor equal to 0

4x-3 = 0

2x-1 = 0

solve for x.

4x-3=0

4x=3

x= 3/4

solve for x. 

2x-1= 0

2x= 1

x= 1/2

eventually after a few more steps, your answer should be 1/2 is less than or equal to x and 3/4 is greater than or equal to x