w/2-8=42

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Solution for w/2-8=42 equation: 


w in (-oo:+oo)

w/2-8 = 42 // - 42

w/2-42-8 = 0

1/2*w-50 = 0 // + 50

1/2*w = 50 // : 1/2

w = 50/1/2

w = 100

w = 100

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