7r-1/2=-3-r

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Solution for 7r-1/2=-3-r equation: 


r in (-oo:+oo)

7*r-(1/2) = -r-3 // + -r-3

7*r+r-(1/2)+3 = 0

7*r+r-1/2+3 = 0

8*r+5/2 = 0 // - 5/2

8*r = -5/2 // : 8

r = -5/2/8

r = -5/16

r = -5/16

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