7(5t-7)=-399

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Solution for 7(5t-7)=-399 equation: 


t in (-oo:+oo)

7*(5*t-7) = -399 // + 399

7*(5*t-7)+399 = 0

7*(5*t-7)+399 = 0

35*t+350 = 0

35*t+350 = 0

35*t+350 = 0 // - 350

35*t = -350 // : 35

t = -350/35

t = -10

t = -10

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