Simple Equation...

Find the value of $$x$$:  $$x-7=-8$$

The mean of $$x, x+3, x+ 6, x+9$$ and $$x+12$$ is

The arithmetic mean of 6,10, x and 12 is 8 The value of x is

Sunita's mother is 36 years old. She is 3 years older than 3  times sunita's age. What is sunita's age?

The method of finding solution by trying out various values for the variable is called

Frame the statement into an equation:

Algebraic expression for the statement: $$6$$ times $$a$$ taken away from $$40$$

Convert the statement into an equation : Adding $$14$$ to $$9$$ times $$y$$ is $$89$$.

Which of the sign should always be there in an equation?

Sumeet guessed a number $$x$$ and then he added $$30$$ to it. Give the expression for double of it.