4+3x/7+4-x=20/21

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Solution for 4+3x/7+4-x=20/21 equation: 


x in (-oo:+oo)

(3*x)/7-x+4+4 = 20/21 // - 20/21

(3*x)/7-x-(20/21)+4+4 = 0

(3*x)/7-x-20/21+4+4 = 0

148/21-4/7*x = 0 // - 148/21

-4/7*x = -148/21 // : -4/7

x = -148/21/(-4/7)

x = 37/3

x = 37/3

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