3n+4=-n-4 - solution

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Solution for 3n+4=-n-4 equation:

n in (-oo:+oo)

3*n+4 = -n-4 // + -n-4

3*n+n+4+4 = 0

4*n+8 = 0 // - 8

4*n = -8 // : 4

n = -8/4

n = -2

n = -2

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