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an alphabetic character representing a number, called the value, which is either arbitrary or not fully specified or unknown. It is usually a letter like x or y.
the decimal part
An expression consisting of one or more numbers and variables along with one or more arithmetic operations
A value that does not change.
To find the value of a mathematical expression.
To replace a variable with a number or another expression in an algebraic expression.
The distance of a number from zero on a number line; shown by | |
the set of positive whole numbers and their opposites(negative numbers) and 0
A mathematical sentence that contains an equals sign
A mathematical sentence that shows the relationship between quantities that are not equivalent
Operations that undo each other
two numbers that have the same absolute value but have different signs
3, 0, -1
to join two or more quantities
to take a quantity away from another
process of repeated addition
process of breaking a quantity into equal parts
b + 4 when b=6
5 x y when y=10
z - 3 when z=8
k divided by 2 when k=14
m x 8 when m=4
q + 20 when q=25
d - 5 when d = 60
n divided by 3 when n=27