Question

If a= 2b and b =7, what is the value of 2a?

Answer 1

Answer:

2a = 9b²

Step-by-step explanation:

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Answer 2

SOLUTION

GIVEN

a = 2b and b = 7

TO DETERMINE

The value of 2a

EVALUATION

Here it is given that a = 2b and b = 7

Thus we have

2a

= 2 × a

= 2 × 2b

= 4b

= 4 × b

= 4 × 7

= 28

FINAL ANSWER

Hence the required value of 2a = 28

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