-1/4y-21/4y+1/2(4-2y)

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Solution for -1/4y-21/4y+1/2(4-2y) equation: 


y in (-oo:+oo)

(1/2)*(4-(2*y))+(-1/4)*y-((21/4)*y) = 0

(1/2)*(4-2*y)+(-1/4)*y+(-21/4)*y = 0

1/2*(4-2*y)-y/4+(-21*y)/4 = 0

(1/2*4*(4-2*y))/4-y/4+(-21*y)/4 = 0

1/2*4*(4-2*y)-y-21*y = 0

8-5*y-21*y = 0

8-26*y = 0

(8-26*y)/4 = 0

(8-26*y)/4 = 0 // * 4

8-26*y = 0

8-26*y = 0 // - 8

-26*y = -8 // : -26

y = -8/(-26)

y = 4/13

y = 4/13

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