1.4-4.2d/5=9.8

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Solution for 1.4-4.2d/5=9.8 equation: 


d in (-oo:+oo)

1.4-((4.2*d)/5) = 9.8 // - 9.8

1.4-((4.2*d)/5)-9.8 = 0

1.4-0.84*d-9.8 = 0

-0.84*d-8.4 = 0 // + 8.4

-0.84*d = 8.4 // : -0.84

d = 8.4/(-0.84)

d = -10

d = -10

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