Integers/Addition & subtraction (3)
Integers/Addition & subtraction (2)
Integers/Addition & subtraction (10)
Integers/Addition & subtraction
Four operations, uses
Finding the value of the equation/1
Exercise/1
Equations/1
Defined variable 3/1
Defined variable 2/1
 fulfill a condition stated in the form of an equation (two expressions related by equality). When seeking a solution, one or more free variables are designated as unknowns.)
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