-4/7a+4/9=64/63

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Solution for -4/7a+4/9=64/63 equation: 


a in (-oo:+oo)

(-4/7)*a+4/9 = 64/63 // - 64/63

(-4/7)*a+4/9-(64/63) = 0

(-4/7)*a+4/9-64/63 = 0

-4/7*a-4/7 = 0 // + 4/7

-4/7*a = 4/7 // : -4/7

a = 4/7/(-4/7)

a = -1

a = -1

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