-12=-2n-7n-3

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Solution for -12=-2n-7n-3 equation: 


n in (-oo:+oo)

-12 = -2*n-(7*n)-3 // + -2*n-(7*n)-3

7*n-(-2*n)-12+3 = 0

2*n+7*n-12+3 = 0

9*n-9 = 0 // + 9

9*n = 9 // : 9

n = 9/9

n = 1

n = 1

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