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Mathematics 21 Online
OpenStudy (anonymous):

10x(2 + 13) = 300

OpenStudy (anonymous):

divide both sides by 10...

OpenStudy (saifoo.khan):

x(2+13) = 30 x(15) = 30 15x = 30 x =2

OpenStudy (chaise):

20x + 130x = 300 150x = 300 x = 2

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