-13/21=-2/7x+2/3x-1

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Solution for -13/21=-2/7x+2/3x-1 equation: 


x in (-oo:+oo)

-13/21 = (-2/7)*x+(2/3)*x-1 // - (-2/7)*x+(2/3)*x-1

1-((-2/7)*x)-((2/3)*x)-13/21 = 0

(2/7)*x+(-2/3)*x-13/21+1 = 0

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

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

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

x = 1

x = 1

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