2/5x+3/7=-4/7x

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Solution for 2/5x+3/7=-4/7x equation: 


x in (-oo:+oo)

(2/5)*x+3/7 = (-4/7)*x // - (-4/7)*x

(2/5)*x-((-4/7)*x)+3/7 = 0

(2/5)*x+(4/7)*x+3/7 = 0

34/35*x+3/7 = 0 // - 3/7

34/35*x = -3/7 // : 34/35

x = -3/7/34/35

x = -15/34

x = -15/34

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