Qualification > Queries

Math paper 2

<< < (3/3)

Vin:

--- Quote from: 33oomar on May 09, 2010, 08:21:46 pm ---talking about paper 2 i have a doubt about solving inequality
please help q16 paper 2 IGCSE MATH October/nov 2005

--- End quote ---

4 - 5x <  2 (x + 4)

4 - 5x <  2x +8

4- 8 <  2x + 5x

-4 <  7x

-4/ 7 < x     or    x > -4/ 7

 :)

ahmed bahrain:
changing the sign "positive to negatice and visa versa" will result in a change in "< or>"

Navigation

[0] Message Index

[*] Previous page