4-w/8=3w/4-21

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Solution for 4-w/8=3w/4-21 equation: 


w in (-oo:+oo)

4-(w/8) = (3*w)/4-21 // - (3*w)/4-21

4-(w/8)-((3*w)/4)+21 = 0

(-3/4)*w-(w/8)+4+21 = 0

25-7/8*w = 0 // - 25

-7/8*w = -25 // : -7/8

w = -25/(-7/8)

w = 200/7

w = 200/7

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