# Problem Solving In Subtraction 5 Page Business Plan Template

In this video lesson, you will learn how to solve subtraction word problems with two or more variables.These are math problems written in words that involve the subtraction operator and that have more than one unknown value.With these two equations, you can solve your problem.You see that you can plug in the second equation into the first equation. Solving this for r, you get this: r = 2r - 4 r - 2r = 2r - 4 - 2r -r = -4 r = 4 Now that you have found r, you can use this in the second equation to find out what b equals.The second equation can be found in the sentence directly after. Now that you have your two equations, you can solve your problem.Looking at your two equations, you see that you can use the substitution method to solve.As a member, you'll also get unlimited access to over 79,000 lessons in math, English, science, history, and more.Plus, get practice tests, quizzes, and personalized coaching to help you succeed.

To do this, you can use the second equation and plug in the answer for d. The first equation you write is r = b - 4 based on the third sentence in the problem.

The following sentence gives you the second equation of b = 2r.

It is important to learn how to solve these problems because you will come across these types of problem not only in your math class but also in real life.

Being able to solve these types of problems when you need to is a good skill to have.

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