4(-7n+9)=-216

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Solution for 4(-7n+9)=-216 equation: 


n in (-oo:+oo)

4*(9-7*n) = -216 // + 216

4*(9-7*n)+216 = 0

4*(9-7*n)+216 = 0

252-28*n = 0

252-28*n = 0

252-28*n = 0 // - 252

-28*n = -252 // : -28

n = -252/(-28)

n = 9

n = 9

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