3x=20/7-x - solution

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Solution for 3x=20/7-x equation:

x in (-oo:+oo)

3*x = 20/7-x // - 20/7-x

3*x+x-(20/7) = 0

3*x+x-20/7 = 0

4*x-20/7 = 0 // + 20/7

4*x = 20/7 // : 4

x = 20/7/4

x = 5/7

x = 5/7

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