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Mathematics 22 Online
OpenStudy (anonymous):

7(d-5)+12=5

OpenStudy (king):

7d-35+12=5 7d-23=5 7d=28 d=4

OpenStudy (jiteshmeghwal9):

First distribute 7 btw d & 5. then, 7d-35+12=5 =>7d-23=5 =>7d=5+23 =>7d=28 =>d=28/7=4.

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