Me. which expression is equivalent? 8 − 5(3x − 7) a) 15x + 43 b) 9x − 21 c)−9x + 21 d)−15x + 43

Start with

Multiply both terms in the parenthesis by 5:

Sum like terms:

84 Ibs. 8 oz.

Step-by-step explanation:

1 pound equals 16 oz

so u add 3 to 13 which gives u 1 pound which is 9

so u subtract 93 by 9 which is 84

plus the 5 oz which is 84 pounds 8 oz

to check it u add 8 lbs and 13 by 84 lbs and 8 oz

which is 93 and 5 lbs

hope this helps