isobelkeating isobelkeating
  • 01-02-2021
  • Mathematics
contestada

Solve the following:
A) a/5 + 3 = 8


B) 3b/7 - 1 = 5

Respuesta :

adrianac37 adrianac37
  • 01-02-2021
The answer to A is 25.
The answer to B is 14!
Answer Link
kubanj771
kubanj771 kubanj771
  • 01-02-2021

A)

   a

———=8       :a=64

5+3  

Steps:Multiply both sides by 8

  • 8a

     ———-=8  ·   8

      5+3

  • Simplify:a=64

B)

3b/7 - 1 = 5

Add 1 in both sides

3b/7 - 1 + 1 = 5 + 1

3b/7 = 6

Multiply both sides by 7 and then divide by 3.

3b/7 . 7/3 = 6 . 7/3

b = 2.7

b = 14

credits-https://brainly.com/question/12052195,math-way

Answer Link

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