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1

Solve the equation

3(2x - 1) = 21

Show all your working.

[3]

Correct method and answer3 / 3

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(Total for Question 1 is 3 marks)

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Professor Papy at your service!

Do I expand the brackets first?

Does the 3 multiply just 2x, or both terms?

I have 6x − 3 = 21. What next?

What would undo the −3 on both sides?

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