y/2+x/2=7

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Solution for y/2+x/2=7 equation: 


x in (-oo:+oo)

x/2+y/2 = 7 // - 7

x/2+y/2-7 = 0

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

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

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

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

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

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