4+7d=-2d+103

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Solution for 4+7d=-2d+103 equation: 


d in (-oo:+oo)

7*d+4 = 103-2*d // - 103-2*d

7*d-(-2*d)-103+4 = 0

7*d+2*d-103+4 = 0

9*d-99 = 0 // + 99

9*d = 99 // : 9

d = 99/9

d = 11

d = 11

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