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Mathematics 9 Online
OpenStudy (anonymous):

Evaluate |-6| + 2|-4| - 3|6|

hartnn (hartnn):

|-a|= a so what is |-6| = ?

OpenStudy (anonymous):

6?

hartnn (hartnn):

yes! that is correct :) and |-4| = ?

OpenStudy (anonymous):

4

hartnn (hartnn):

good :) so u have 6+2(4) -3(6) = can u evaluate this now ?

OpenStudy (anonymous):

-10?

hartnn (hartnn):

how ?

hartnn (hartnn):

2(4) = ? and -3(6) = ?

OpenStudy (anonymous):

8 and -18

hartnn (hartnn):

so 6+8 -18 = ?

OpenStudy (anonymous):

-4

hartnn (hartnn):

now that is correct :)

OpenStudy (anonymous):

thanks

hartnn (hartnn):

welcomes ^_^

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