124=7d+3d+4

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Solution for 124=7d+3d+4 equation:


d in (-oo:+oo)

124 = 7*d+3*d+4 // - 7*d+3*d+4

124-(7*d)-(3*d)-4 = 0

124-7*d-3*d-4 = 0

120-10*d = 0 // - 120

-10*d = -120 // : -10

d = -120/(-10)

d = 12

d = 12

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