4x+5/7-x=-13/21

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Solution for 4x+5/7-x=-13/21 equation:


x in (-oo:+oo)

4*x-x+5/7 = -13/21 // + -13/21

4*x-x+5/7-(-13/21) = 0

4*x-x+5/7+13/21 = 0

3*x+4/3 = 0 // - 4/3

3*x = -4/3 // : 3

x = -4/3/3

x = -4/9

x = -4/9

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