X/2-4=31/2

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Solution for X/2-4=31/2 equation: 


X in (-oo:+oo)

X/2-4 = 31/2 // - 31/2

X/2-(31/2)-4 = 0

X/2-31/2-4 = 0

1/2*X-39/2 = 0 // + 39/2

1/2*X = 39/2 // : 1/2

X = 39/2/1/2

X = 39

X = 39

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