102=7a+2a+3

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Solution for 102=7a+2a+3 equation: 


a in (-oo:+oo)

102 = 7*a+2*a+3 // - 7*a+2*a+3

102-(7*a)-(2*a)-3 = 0

102-7*a-2*a-3 = 0

99-9*a = 0 // - 99

-9*a = -99 // : -9

a = -99/(-9)

a = 11

a = 11

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