7(-7a+10)=-77

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Solution for 7(-7a+10)=-77 equation: 


a in (-oo:+oo)

7*(10-7*a) = -77 // + 77

7*(10-7*a)+77 = 0

7*(10-7*a)+77 = 0

147-49*a = 0

147-49*a = 0

147-49*a = 0 // - 147

-49*a = -147 // : -49

a = -147/(-49)

a = 3

a = 3

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