2-2t+5t=-7

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Solution for 2-2t+5t=-7 equation: 


t in (-oo:+oo)

5*t-(2*t)+2 = -7 // + 7

5*t-(2*t)+2+7 = 0

5*t-2*t+2+7 = 0

3*t+9 = 0 // - 9

3*t = -9 // : 3

t = -9/3

t = -3

t = -3

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