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Confused with algebra, help needed please?

https://www.elevenplusexams.co.uk/forum/11plus/viewtopic.php?t=33481

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Confused with algebra, help needed please?

Posted: Sun Sep 08, 2013 9:12 pm
by qwatche
How should I teach this type of question please?

5[a+1]+2[a-3]

Re: Confused with algebra, help needed please?

Posted: Sun Sep 08, 2013 9:18 pm
by leanmeamum
expand it and then simplify.

5[a+1]+2[a-3]

= 5a + 5 + 2a - 6

= 7a - 1

Re: Confused with algebra, help needed please?

Posted: Sun Sep 08, 2013 9:54 pm
by qwatche
Thank you! :D
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