[" Verify that "-(-x)=x" for "],[x=(11)/(15)]

Verify that -(-x) =x for x = frac(11)(15)

Verify that -(-x)=x for x=(-12)/(11)

Verify that -(-x)=x for x=2/15

Verify that (-x)=x for.(i) x=(11)/(15) (ii) x=-(13)/(17)

Verify that (- x) = x for .(i) x = (11)/(15) (ii) x = - (13)/(17)

Verify -(-x)=x for x=(13)/(-15)

Solve the following equations and verify your answer: (x)/(5)+11=(1)/(15)

Verify that 3,-1 and -(1)/(3) are the zeros of the cubic polynomial p(x)=3x^(3)-5x^(2)-11x-3 and then verify the relationship between the zeros and its coefficients.