3+x/3+2x - solution

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Solution for 3+x/3+2x equation:

x in (-oo:+oo)

x/3+2*x+3 = 0

7/3*x+3 = 0 // - 3

7/3*x = -3 // : 7/3

x = -3/7/3

x = -9/7

x = -9/7

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