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Mathematics 7 Online
OpenStudy (anonymous):

Solve: 4x – 9 = 15

OpenStudy (shubhamsrg):

add 9 to both sides,,what do you get ?

OpenStudy (anonymous):

13=24

OpenStudy (anonymous):

4x = 24 x = 6

OpenStudy (shubhamsrg):

24 is alright,, but how come 4x - 9 + 9 = 13 ??

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