2x-1/2y=7

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Solution for 2x-1/2y=7 equation: 


x in (-oo:+oo)

2*x-((1/2)*y) = 7 // - 7

2*x-((1/2)*y)-7 = 0

2*x+(-1/2)*y-7 = 0

2*x-1/2*y-7 = 0 // + -1/2*y-7

2*x = -(-1/2*y-7) // : 2

x = (-(-1/2*y-7))/2

x = (7-(-1/2*y))/2

x = (7-(-1/2*y))/2

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