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Mathematics 9 Online
OpenStudy (anonymous):

solve 8x-(3x+7)=13

OpenStudy (anonymous):

x=?

OpenStudy (anonymous):

4 plop....

OpenStudy (anonymous):

x=4

OpenStudy (anonymous):

ans x=4

OpenStudy (anonymous):

5x=13+7

OpenStudy (anonymous):

8x-(3x+7)=13\[8x-3x-7=13\] \[5x-7=13\] \[5x=13+7\] \[5x=20\] \[x=4\]

OpenStudy (leelee):

=4

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