3-x/7=x-9/4

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Solution for 3-x/7=x-9/4 equation: 


x in (-oo:+oo)

3-(x/7) = x-(9/4) // - x-(9/4)

9/4-(x/7)-x+3 = 0

21/4-8/7*x = 0 // - 21/4

-8/7*x = -21/4 // : -8/7

x = -21/4/(-8/7)

x = 147/32

x = 147/32

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