7n+2+n=66 - solution

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Solution for 7n+2+n=66 equation:

n in (-oo:+oo)

7*n+n+2 = 66 // - 66

7*n+n-66+2 = 0

8*n-64 = 0 // + 64

8*n = 64 // : 8

n = 64/8

n = 8

n = 8

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