2+7d-4d=5 - solution

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Solution for 2+7d-4d=5 equation:

d in (-oo:+oo)

7*d-(4*d)+2 = 5 // - 5

7*d-(4*d)-5+2 = 0

7*d-4*d-5+2 = 0

3*d-3 = 0 // + 3

3*d = 3 // : 3

d = 3/3

d = 1

d = 1

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