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Mathematics 7 Online
OpenStudy (7thgrader):

What is the value of the expression 3 – a – b when a = 15 and b = –3? A. –21 B. –15 C. –9 D. 21

OpenStudy (7thgrader):

@eric_d

OpenStudy (cwrw238):

replace a by 15 and b by -3 = 3 - 15 - (-3)

OpenStudy (cwrw238):

can you work that out?

OpenStudy (7thgrader):

@cwrw238 one sec

OpenStudy (7thgrader):

-9

OpenStudy (cwrw238):

right - good jiob

OpenStudy (7thgrader):

Thx if i tag you in a question will you help me?

OpenStudy (cwrw238):

ok

OpenStudy (7thgrader):

cya

OpenStudy (cwrw238):

ok

OpenStudy (anonymous):

I HATE K12

OpenStudy (7thgrader):

@fluttertheholes look this girl is likr you

OpenStudy (anonymous):

What did I ever do to you

OpenStudy (anonymous):

@7thgrader

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