2d+7=4d+25

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Solution for 2d+7=4d+25 equation:


d in (-oo:+oo)

2*d+7 = 4*d+25 // - 4*d+25

2*d-(4*d)-25+7 = 0

2*d-4*d-25+7 = 0

-2*d-18 = 0 // + 18

-2*d = 18 // : -2

d = 18/(-2)

d = -9

d = -9

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