3(-7d+4)=-177

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Solution for 3(-7d+4)=-177 equation: 


d in (-oo:+oo)

3*(4-7*d) = -177 // + 177

3*(4-7*d)+177 = 0

3*(4-7*d)+177 = 0

189-21*d = 0

189-21*d = 0

189-21*d = 0 // - 189

-21*d = -189 // : -21

d = -189/(-21)

d = 9

d = 9

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