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Mathematics 15 Online
OpenStudy (anonymous):

-5c+d=2c, for c

OpenStudy (anonymous):

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OpenStudy (anonymous):

Combine like terms. -5c + d = 2c combine "c's" +5 c +5c d = 7c divide both sides by 7 d/7 = c

OpenStudy (anonymous):

i thought 7 was negative

OpenStudy (anonymous):

add 5c to both sides and get d = 7c divide 7 on both sides and get c = d/7

OpenStudy (anonymous):

oh ok

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