ineedmathhelp999
ineedmathhelp999 ineedmathhelp999
  • 02-12-2020
  • Mathematics
contestada

Find the values of a and b​ please I will mark brainliest. (make sure to show your work)​

Find the values of a and b please I will mark brainliest make sure to show your work class=

Respuesta :

norsch24
norsch24 norsch24
  • 02-12-2020

Answer:

a = 29

b = 20

Step-by-step explanation:

2a - 1 = 57

    + 1     + 1

2a = 58

/ 2    / 2

a = 29

2a - 1 + 7b - 17 = 180

2 (29) - 1 + 7b - 17 = 180

58 - 1 + 7b - 17 = 180

57 + 7b - 17 = 180

7b + 40 = 180

      - 40     - 40

7b = 140

/ 7      / 7

b = 20

Answer Link

Otras preguntas

what is the answer to 8c=5c+21
How do natural features such as rivers,lake or mountains affect the way people live in your community today?
why do scientist use models to study atoms
As we find with most songs, in poetry A. meanings are hidden in imprecise words. B. each couplet must rhyme. C. there's no specific point of view. D. sound and
I need help with finding the answer of 21 laps in 7 minutes
Write the ratio as a fraction in simplest form. 10 ft to 5 yds
Which answer is the sentence fragment? A. My sister found some fun jewelry at a 50 percent discount. B. Was there a long line at the food court around noon?
how many inches are in 13 and a half feet
What is a sentence with the word Evasively?
what set off a European scramble for African territories