3r+5/2+2=12-2r - solution

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Solution for 3r+5/2+2=12-2r equation:

r in (-oo:+oo)

3*r+5/2+2 = 12-(2*r) // - 12-(2*r)

3*r+2*r+5/2-12+2 = 0

5*r-15/2 = 0 // + 15/2

5*r = 15/2 // : 5

r = 15/2/5

r = 3/2

r = 3/2

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