1+2/3n=-7 - solution

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Solution for 1+2/3n=-7 equation:

n in (-oo:+oo)

(2/3)*n+1 = -7 // + 7

(2/3)*n+1+7 = 0

2/3*n+8 = 0 // - 8

2/3*n = -8 // : 2/3

n = -8/2/3

n = -12

n = -12

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