(2) (2x + 9) + (4x - 3) ( (4) (-7a - 1) + (a + 4) 3 2 6 x 5 5 1 (B) (+-)+(*** + x + 3

i think the answer is b)

step-by-step explanation:

wholesale price is the initial price before markup. retail price comes after the markup.

a price of 8 bucks that's marked up by 100%   is

formula: initial price + (percent markup in fraction/decimal)(initial price)

8+(1)(8)

8+8

16

retail price is $16.

the least common denominatore of 7 and 2 is 9

step-by-step explanation:

7+2=9

-2x + 7 = 7

subtract 7 from both sides.

-2x = 0

divide both sides by -2.

x = 0