3(7a+9)=258

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Solution for 3(7a+9)=258 equation: 


a in (-oo:+oo)

3*(7*a+9) = 258 // - 258

3*(7*a+9)-258 = 0

3*(7*a+9)-258 = 0

21*a-231 = 0

21*a-231 = 0

21*a-231 = 0 // + 231

21*a = 231 // : 21

a = 231/21

a = 11

a = 11

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