2(4n+7)=-42

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Solution for 2(4n+7)=-42 equation: 


n in (-oo:+oo)

2*(4*n+7) = -42 // + 42

2*(4*n+7)+42 = 0

2*(4*n+7)+42 = 0

8*n+56 = 0

8*n+56 = 0

8*n+56 = 0 // - 56

8*n = -56 // : 8

n = -56/8

n = -7

n = -7

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