1/4d+3/4(d+16)=-15

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Solution for 1/4d+3/4(d+16)=-15 equation: 


d in (-oo:+oo)

(3/4)*(d+16)+(1/4)*d = -15 // + 15

(3/4)*(d+16)+(1/4)*d+15 = 0

3/4*(d+16)+d/4+15 = 0

(3/4*4*(d+16))/4+d/4+(4*15)/4 = 0

3/4*4*(d+16)+d+4*15 = 0

4*d+48+60 = 0

4*d+108 = 0

(4*d+108)/4 = 0

(4*d+108)/4 = 0 // * 4

4*d+108 = 0

4*d+108 = 0 // - 108

4*d = -108 // : 4

d = -108/4

d = -27

d = -27

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