Solving Word Problems Using Linear Equations

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Math works just like anything else, if you want to get good at it, then you need to practice it.

Even the best athletes and musicians had help along the way and lots of practice, practice, practice, to get good at their sport or instrument.

Some people think that you either can do it or you can't.

Contrary to that belief, it can be a learned trade.

After the equations have been solved, the result can be translated back into the ordinary language. Mathematical formulation contains only what is important in a problem.

But how does one know what is important and what is not, what is essential and what can be dispensed with?

In this tutorial, we will be setting up equations for each problem.

You will translate them just like we did in Tutorial 2: Algebraic Expressions and Tutorial 5: Properties of Real Numbers. This is where you solve the system of equations you came up with in your devise a plan step.

When the plane is with the wind, it will be going faster.

That rate will be Since the break-even point is when revenue = cost, we will go right into setting this up using the substitution method as discussed in Tutorial 19: Solving Systems of Linear Equations in Two Variables.


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