-7-5n-5n=-127

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Solution for -7-5n-5n=-127 equation: 


n in (-oo:+oo)

-(5*n)-(5*n)-7 = -127 // + 127

127-(5*n)-(5*n)-7 = 0

127-5*n-5*n-7 = 0

120-10*n = 0 // - 120

-10*n = -120 // : -10

n = -120/(-10)

n = 12

n = 12

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