7-7a=7a-161

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Solution for 7-7a=7a-161 equation: 


a in (-oo:+oo)

7-(7*a) = 7*a-161 // - 7*a-161

7-(7*a)-(7*a)+161 = 0

7-7*a-7*a+161 = 0

168-14*a = 0 // - 168

-14*a = -168 // : -14

a = -168/(-14)

a = 12

a = 12

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