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Mathematics 7 Online
OpenStudy (anonymous):

Help with some questions? *MEDAL*

OpenStudy (anonymous):

jigglypuff314 (jigglypuff314):

11. multiply both sides by 17 then divide both sides by 5 12. identity is when values cancel out... like 3x - 3x = 0

OpenStudy (anonymous):

Alright ty ill try and figure out the answer

OpenStudy (anonymous):

11 = c?

jigglypuff314 (jigglypuff314):

11. multiply both sides by 17 then divide both sides by 5 17*9 = 153 153/5

jigglypuff314 (jigglypuff314):

and for 12, you want to find the equation that works where one side equals the other when simplified down...

OpenStudy (anonymous):

Question 11: \[-9=\frac{ 5 }{ 17 } n\] \[17*-9=17*\frac{ 5 }{ 17 }n\] \[-153=5n\] \[\frac{ -153 }{ 5 }=\frac{ 5n }{ 5 }\] \[\frac{ -153 }{ 5 }=n\]

OpenStudy (anonymous):

12=D?

jigglypuff314 (jigglypuff314):

not D because when you try to solve you get 2 = -2 which is not a true statement for question 12, you want to find the option where the statement is true...

OpenStudy (anonymous):

C? Can't be B, that is false.

jigglypuff314 (jigglypuff314):

C is correct :)

OpenStudy (anonymous):

Ok :D

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