5/7a+1/3=-128/21

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Solution for 5/7a+1/3=-128/21 equation: 


a in (-oo:+oo)

(5/7)*a+1/3 = -128/21 // + -128/21

(5/7)*a+1/3-(-128/21) = 0

(5/7)*a+1/3+128/21 = 0

5/7*a+45/7 = 0 // - 45/7

5/7*a = -45/7 // : 5/7

a = -45/7/5/7

a = -9

a = -9

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