7(5a-9)=217

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Solution for 7(5a-9)=217 equation: 


a in (-oo:+oo)

7*(5*a-9) = 217 // - 217

7*(5*a-9)-217 = 0

7*(5*a-9)-217 = 0

35*a-280 = 0

35*a-280 = 0

35*a-280 = 0 // + 280

35*a = 280 // : 35

a = 280/35

a = 8

a = 8

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