-6t+9+7t=20

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Solution for -6t+9+7t=20 equation: 


t in (-oo:+oo)

7*t-6*t+9 = 20 // - 20

7*t-6*t-20+9 = 0

t-11 = 0 // + 11

t = 11

t = 11

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