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Linear EquationsA linear equation is an equation in which each term is either a constant or the product of a constant times the first power of a variable. In simple terms it is a mathematical sentence in which you can see only one letter (which might appear more than once) but there will be no powers (squared, cubed etc). Here is an example of a simple linear equation: 2x + 7 = 15 This equation can be "solved" to find which value is represented by the letter x. The eQuation Generator above can make up unlimited equations for you to practise solving. You can change the options so that one of five different types of equation is displayed. It is not possible to predict how quickly you will develop confidence solving equations of a particular type but typically the examples will increase in difficulty very slightly each time you press the Next button. A Restart button is provided if the questions generated start to become a little too difficult. This button restarts the difficulty level but will present different equations. Here are examples showing a good way to solve equations by thinking of the two sides of the equation as two sides of a balance. The equation will remain balanced only if you do the same thing (multiply, divide add or subtract) to both sides. 

Type 1\(3x=12\) By doing the same thing to both sides of the equation you can find what one x is equal to. 

Type 2\(4x  3 = 13\) 
Type 3\(5x + 3 = 3x + 15\) 


Type 4\(2(3x  4) + 1 = 5\) Another method: \(2(3x  4) + 1 = 5\) 

Type 5\( \frac{2x+3}{5} + 7 = \frac{3x+12}{3} \) 

Do you have any comments? It is always useful to receive feedback and helps make this free resource even more useful for those learning Mathematics anywhere in the world. Click here to enter your comments. Curriculum ReferenceSee the National Curriculum page for links to related online activities and resources. 
Transum,
Tuesday, April 28, 2015
"The equations are generated by random numbers inserted into the various 'templates' of the equation type. This means that a whole class of pupils can be working on the same exercise on their computers but they will each have a different version of it. It also means that you can use the same exercise many times for revision as the random numbers will form different equations each time."