What is the value of -2(x + 5)?

5)

1

Expand by distributing terms.

-2x-2\times 5−2x−2×5

2

Simplify  2\times 52×5  to  1010.

-2x-10−2x−10

problem:

f(x) = - 2/3x + 5; f(5/2)

substitute 5/2 in for x:

f(5/2) = -2/3(5/2) + 5

simplify the right side:

f(5/2) = -5/3 + 5

f(5/2) = 10/3

f(5/2) = 10/3

i hope this !