Answers

1. a

   Expanding into the parentheses.

   -3x + 3 + 8x -24 = 6x + 7 −5x

   Simplifying

   5x – 21 = x + 7

   Getting variables to one side

   4x = 7 + 21

   4x = 28

   x = 28/4

   x = 7

   b

   Expanding

   35a – 28 -1 = 14 – 8a

   Simplifying

   35a – 29 = 14 – 8a

   Get variables to one side

   35a + 8a = 14 + 29

   Simplify

   43a= 43

   a = 43/43

   a = 1

   Hope this helps

   😀

   – Jeron

   Reply
2. Answer:

   a. x=7

   b. a=1

   Step-by-step explanation:

   a. -3(x-1)+8(x-3)=6x+7-5x

   -3(x-1)+8(x-3)=6x+7-5x (remove the parentheses, collect like terms)

   -3x+3+8x-24=x+7 (collect like terms, calculate)

   5x-21=x+7 (move the terms)

   5x-x=7+21 (collect the terms, calculate)

   4x=28 (divide both sides)

   x=7

   b. 7(5a-4)-1=14-8a

   7(5a-4)-1=14-8a (remove the parentheses)

   35a-28-1=14-8a (calculate)

   35a-29=14-8a (move the terms)

   35a+8a=14+29 (collect the terms, calculate)

   43a=43 (divide both sides)

   a=1

   Reply