Question : If the angles of a triangle are (x – 6)°, (x + 26)°, and 8x°, then what is the value of 2x?

Question : The sum of two angles of a triangle is 116° and their difference is 24°. The measure of the smallest angle of the triangle is:

Question : If $\cos x=\sin y$ and $\cot(x–40°)=\tan(50°–y)$, then the values of $x$ and $y$ are:

Question : If $4x–7y=3$ and $2x–y=9$, then the value of $(x–y)$ is:

Question : If $2x-\frac{2}{x}=1(x \neq 0)$, then the the value of $(x^3-\frac{1}{x^3})$ is: