5(n+7)=1/2n-1

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Solution for 5(n+7)=1/2n-1 equation: 


n in (-oo:+oo)

5*(n+7) = (1/2)*n-1 // - (1/2)*n-1

5*(n+7)-((1/2)*n)+1 = 0

5*(n+7)+(-1/2)*n+1 = 0

5*(n+7)-n/2+1 = 0

(2*5*(n+7))/2-n/2+(1*2)/2 = 0

2*5*(n+7)-n+1*2 = 0

9*n+2+70 = 0

9*n+72 = 0

(9*n+72)/2 = 0

(9*n+72)/2 = 0 // * 2

9*n+72 = 0

9*n+72 = 0 // - 72

9*n = -72 // : 9

n = -72/9

n = -8

n = -8

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