Algebra Test - ...

Which of the following equations has $$x = 2$$ as a solution?

Which of these could be solved by using the sentence $$'A-5'$$?

Is this an equation $$21=z+11$$

The substraction of 3 from 2x is represent as 

The subtraction of $$5$$ times of $$y$$ from $$x$$ is

In algebra, letters may stand for

$$x = 5, y = 2$$ is a solution of the linear equation

The algebraic expression for the statement "Product of $$x$$ and $$a $$ subtracted from the product of $$b$$ and $$y$$'' is 

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.