2(9-7d)=-10

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Solution for 2(9-7d)=-10 equation: 


d in (-oo:+oo)

2*(9-(7*d)) = -10 // + 10

2*(9-(7*d))+10 = 0

2*(9-7*d)+10 = 0

2*(9-7*d)+10 = 0

28-14*d = 0

28-14*d = 0

28-14*d = 0 // - 28

-14*d = -28 // : -14

d = -28/(-14)

d = 2

d = 2

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