Question

Find the value of the 7a - 4b expression for a = 3 , b = 2.​

Answer 1

Answer:

Given a=3 and b=2

Putting the value in given expression

7(3) - 4(2)=21-8

=> 13 answer

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Answer 2

The value of 7a-4b is 13 at a=3 and b=2.

Given:

• An expression
• 7a-4b

To find:

• Find the value of expression for a = 3 , b = 2.

Solution:

Concept to be implemented: Put the values of a and b in the expression and solve.

Step 1:

It is given that

$a = 3 \\ b = 2$

Step 2:

Put value of a and b in the expression.

$= 7(3) - 4(2)$

or

$= 21 - 8$

or

$\bf = 13$

Thus,

The value of 7a-4b is 13 at a=3 and b=2.

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