3/(4+t)+8=4

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Solution for 3/(4+t)+8=4 equation: 


D( t )

t+4 = 0

t+4 = 0

t+4 = 0

t+4 = 0 // - 4

t = -4

t in (-oo:-4) U (-4:+oo)

3/(t+4)+8 = 4 // - 4

3/(t+4)-4+8 = 0

3/(t+4)+(-4*(t+4))/(t+4)+(8*(t+4))/(t+4) = 0

8*(t+4)-4*(t+4)+3 = 0

8*t-4*t-13+32 = 0

4*t+19 = 0

(4*t+19)/(t+4) = 0

(4*t+19)/(t+4) = 0 // * t+4

4*t+19 = 0

4*t+19 = 0 // - 19

4*t = -19 // : 4

t = -19/4

t = -19/4

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