Question

7a-b3 = 39, what is the value of a ?​

Answer 1

Answer:

39+b3/7

Step-by-step explanation:

7a=39+b3

a= 39+b3/7

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Answer 2

Answer:

Brainly.in

What is your question?

ananditamahani71701

07.03.2020

Math

Secondary School

+5 pts

Answered

If a=3 and b= 2 then 7a- 3 b is

2

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Answers

muthu200804

muthu200804 Ambitious

Answer:7×3-3×2

=21-6

=15

Step-by-step explanation:

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Comments Report

qwunited Virtuoso

Given :

a = 3, b = 2

To find : 7a - 3b

Solution :

• To find the value of 7a - 3b, we first need to multiply a by 7 and b by 3.

• To find the value of 7a - 3b, we first need to multiply a by 7 and b by 3.

• Therefore, 7 × a = 7 × 3 = 21

3 × b = 3 × 2 = 6

• Now, subtracting 3b from 7a, we get;

7a - 3b = 21 - 6 = 15

• Therefore, the value of 7a - 3b is equal to 15.