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Mathematics 12 Online
OpenStudy (anonymous):

6/x+4=12/5x-13

OpenStudy (anonymous):

6 12 x+4 = 5x-13 Cross multiply (12 by (x+4), and 6 by (5x-13)) 12(x+4) = 6(5x-13)Distribute 12x+48 = 30x-78 Move like terms to same side 48+78 = 30x-12x Combine like terms. 126 = 16x Divide both sides by 16 to get x alone: 7.850 = x OR 7and 14/16

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