How to write algebraic notation
Algebra uses letters to represent unknown values.
Unknown values are commonly represented by the letters x and y.
There are several principles you need to know to be able to use algebraic notation.
How does algebraic notation work?
Let's say that x = 5 and y = 10 in the following equations.
x + 2 = 7
3x = 15 (when multiplying don't include the multiplication symbol)
3x + 2 = 17
x² = 25
4x² = 100
xy = 50
2xy = 100
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