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Mathematics 12 Online
OpenStudy (anonymous):

2/3(c-18)=7

OpenStudy (anonymous):

(2/3) (c-18) = 7 (2(c-18) ) / (3) = 7 (2c-36) / 3 = 7 2c-36 = 7 * 3 2c-36 = 21 2c = 21+36 2c = 57 c = 57 / 2 c = 28.5

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