1-7x-2x=55

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Solution for 1-7x-2x=55 equation: 


x in (-oo:+oo)

1-(7*x)-(2*x) = 55 // - 55

1-(7*x)-(2*x)-55 = 0

1-7*x-2*x-55 = 0

-9*x-54 = 0 // + 54

-9*x = 54 // : -9

x = 54/(-9)

x = -6

x = -6

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