Simple Equation...

The average of 11, 12, 13, 14, and x is 13. The value of x is 

The average of four consecutive even numbers is $$15$$. The $$2$$nd highest number is

If the mean of $$x, x+2, x+4, x+6, x+8$$ is $$20$$ then $$x$$ is

If the mean of $$2, 4, 6, 8, x, y$$ is $$5$$, then find the value of $$x + y $$?

The weight of Rahul is $$5\ kg$$ more than Sachin .The weight  of Samir is $$12\ kg$$ less than double the weight of Sachin .If the total weight of all the three is $$93$$ form the equation

Convert this statement in mathematical form.
The number is $$8$$ greater than $$80.$$

$$6$$ more than twice the number is $$ 22$$. Express the statement in mathematical form.

If $$6$$, $$p$$, $$12$$,  $$8$$ and  $$9$$ mean of the data is $$9$$ then $$p=$$ ?

The value of $$x$$ if $$23x+69=0$$