Question

3. Which expression is equivalent to the expression shown below?

7/2x-3(5x-1/2)

A. -23/2x+3/2
B. -23/2x-3/2
C. 37/2x+3/2
D. 37/2x-3/2

Answer 1

option a

Explanation:

we have:

7/2x-3(5x-1/2)

apply distributive property we have:

7/2x-3*5x-3*(-1/2)

7/2x-15x+3/2

7/2-15=-23/2

so we have:

-23/2x+3/2