Help me to do question 3b plzz

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secondary 4 | A Maths
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secondary 4 A Maths

Help me to do question 3b plzz

Date Posted: 6 years ago

done {{ upvoteCount }} Upvotes

clear {{ downvoteCount * -1 }} Downvotes

Clear?

Date Posted: 6 years ago

Izzah

6 years ago

May i know how you can get the second step. What i mean is how you caN get (4-3x)?why you use (4-3x)