-x-7x=4x/2-5x-15

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Solution for -x-7x=4x/2-5x-15 equation: 


x in (-oo:+oo)

-x-(7*x) = (4*x)/2-(5*x)-15 // - (4*x)/2-(5*x)-15

5*x-x-(7*x)-((4*x)/2)+15 = 0

5*x-x-7*x-2*x+15 = 0

15-5*x = 0 // - 15

-5*x = -15 // : -5

x = -15/(-5)

x = 3

x = 3

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