7(2n-9)=77

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Solution for 7(2n-9)=77 equation: 


n in (-oo:+oo)

7*(2*n-9) = 77 // - 77

7*(2*n-9)-77 = 0

7*(2*n-9)-77 = 0

14*n-140 = 0

14*n-140 = 0

14*n-140 = 0 // + 140

14*n = 140 // : 14

n = 140/14

n = 10

n = 10

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