7d+10=2d+70

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Solution for 7d+10=2d+70 equation:


d in (-oo:+oo)

7*d+10 = 2*d+70 // - 2*d+70

7*d-(2*d)-70+10 = 0

7*d-2*d-70+10 = 0

5*d-60 = 0 // + 60

5*d = 60 // : 5

d = 60/5

d = 12

d = 12

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