1/4-3/5w+2/3w=21/20

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Solution for 1/4-3/5w+2/3w=21/20 equation: 


w in (-oo:+oo)

(2/3)*w-((3/5)*w)+1/4 = 21/20 // - 21/20

(2/3)*w-((3/5)*w)+1/4-(21/20) = 0

(-3/5)*w+(2/3)*w+1/4-21/20 = 0

1/15*w-4/5 = 0 // + 4/5

1/15*w = 4/5 // : 1/15

w = 4/5/1/15

w = 12

w = 12

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