7(9-2a)=-7

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Solution for 7(9-2a)=-7 equation: 


a in (-oo:+oo)

7*(9-(2*a)) = -7 // + 7

7*(9-(2*a))+7 = 0

7*(9-2*a)+7 = 0

7*(9-2*a)+7 = 0

70-14*a = 0

70-14*a = 0

70-14*a = 0 // - 70

-14*a = -70 // : -14

a = -70/(-14)

a = 5

a = 5

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