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How to work with Simultaneous Equations

Equals sign

Did you know that the equals sign (=) was invented in 1557 by a Welsh mathematician named Robert Recorde? However it was not widely used until the 1700’s. The symbols used for addition (+) and subtraction (-) have been around for thousands of years, but it wasn’t until the 16th century that most mathematical symbols were invented. Before this time maths equations were written in words, making it very time consuming!!
For help with simultaneous equations, try our new guide “How to work with Simultaneous Equations”. It includes an explanation of how to solve these equations by elimination. You can revise how to form and solve simultaneous equations from problem questions.  You will also find questions to try, and answers to check understanding.
Click the picture below to see the guide.
Simultaneous equations
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