7+7d-5d=19

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Solution for 7+7d-5d=19 equation: 


d in (-oo:+oo)

7*d-(5*d)+7 = 19 // - 19

7*d-(5*d)-19+7 = 0

7*d-5*d-19+7 = 0

2*d-12 = 0 // + 12

2*d = 12 // : 2

d = 12/2

d = 6

d = 6

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