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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.
Sounds simple enough, but some people jump the gun and try to start solving the problem before they have read the whole problem.
Even the best athletes and musicians had some coaching along the way and lots of practice - that's what it also takes to be good at problem solving.
The word problems in this section all involve setting up a system of linear equations to help solve the problem.
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?