3/7x+4/7=-8/7

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Solution for 3/7x+4/7=-8/7 equation: 


x in (-oo:+oo)

(3/7)*x+4/7 = -8/7 // + -8/7

(3/7)*x+4/7-(-8/7) = 0

(3/7)*x+4/7+8/7 = 0

3/7*x+12/7 = 0 // - 12/7

3/7*x = -12/7 // : 3/7

x = -12/7/3/7

x = -4

x = -4

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