3(-10+d)=-42

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Solution for 3(-10+d)=-42 equation: 


d in (-oo:+oo)

3*(d-10) = -42 // + 42

3*(d-10)+42 = 0

3*(d-10)+42 = 0

3*d+12 = 0

3*d+12 = 0

3*d+12 = 0 // - 12

3*d = -12 // : 3

d = -12/3

d = -4

d = -4

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