7(7-n)=-28

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Solution for 7(7-n)=-28 equation: 


n in (-oo:+oo)

7*(7-n) = -28 // + 28

7*(7-n)+28 = 0

7*(7-n)+28 = 0

77-7*n = 0

77-7*n = 0

77-7*n = 0 // - 77

-7*n = -77 // : -7

n = -77/(-7)

n = 11

n = 11

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