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Links to topic pages.
Constants 2 3 π
Variables x y z
Operations + - × ÷
More pages being introduced here in an order to give a logical build up.
Simplify Expressions x + x = ? 2x + 3x + 5x = ?
Equations Of Type x + a = b Example x + 2 = 5
Equations Of Type x - a = b Example x - 2 = 5
Equations Of Type ax = b Example 2x = 5
Equations Of Type x/a = b Example x/2 = 5
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Notes.
x squared
x2 = x × x
2 is used for x squared and we use x twice
x cubed
x3 = x × x × x
3 is used for x cubed and we use x three times
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