Math, asked by kittupranav27, 8 months ago

21 − 3(a − 7) = a + 20

Answers

Answered by pranavbairy2

1

Answer:

21 - 3a + 21 = a + 20

42 - 20 = 4a

a = 5.5

Answered by gamerstupid4

1

Answer:

Step-by-step explanation:

21-3a+21=a+20

42-20=3a+a

22=4a

22/4=a

a= 11/2 or 5.5

Previous Question

Next Question

Similar questions

Math, 4 months ago

is 52 find his Product of vivek age is 1 year ago and two yeau his age 3 coins cue tossed simultaneously cwrite the event and at least one head conolition to get...

Psychology, 4 months ago

what are the things that 0 to 3 years old can do?

Science, 4 months ago

- Why dogs and cats are favourite pets of many people ?

English, 8 months ago

Sight it is a what charming...

Economy, 8 months ago

what policy initiatives can the government undertake to increase the demand of milk in the country? Mention any one.

English, 10 months ago

Plz help experts ... I must not say otherwise. (Turn into Affirmative)...

Math, 10 months ago

Find the values of a and b if they are the zeros of polynomial x2+ax+...

Physics, 10 months ago

Explain about RADIUS OF GYRATION Class 11...