How do you simplify and solve equations?

Question

I am in 7th grade and I just learned how to solve equations. I am absolutely stumped. I need help sand I forgot my book in my locker.

Answer 1

Dear Trinity,

 

An equation is nothing more than a mathematical statement of how one variable (the independent variable, usually called "x") is related to the dependent variable, usually denoted "y."  For example

 

y = x - 5 is a linear equation.  It tells you that, whatever the value of x might be, y will be five less than that number.

 

If x = 0, for example, then y = -5

If x = 5, for example, then y = 0

If x = 10, for example, then y = 5

 

Most situations that you are likely to encounter will involve linear equations.  The variable y could represent the amount of gross profit (or net profit) a business earns by selling a certain number, x, of a certain product.

 

I hope this helps a little.