7(6+2n)=140

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Solution for 7(6+2n)=140 equation: 


n in (-oo:+oo)

7*(2*n+6) = 140 // - 140

7*(2*n+6)-140 = 0

7*(2*n+6)-140 = 0

14*n-98 = 0

14*n-98 = 0

14*n-98 = 0 // + 98

14*n = 98 // : 14

n = 98/14

n = 7

n = 7

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