7n-1+5n=131

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Solution for 7n-1+5n=131 equation: 


n in (-oo:+oo)

7*n+5*n-1 = 131 // - 131

7*n+5*n-131-1 = 0

12*n-132 = 0 // + 132

12*n = 132 // : 12

n = 132/12

n = 11

n = 11

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