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They can but don't have to.
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∙ 7y ago
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Is addition and subtraction examples of equations?
Addition and subtraction are mathematical processes. They can be used in equations, which are statements that the values of two mathematical expressions are equal, but they are not equations by themselves.
What is the difference between algebra equations and expressions?
expressions don't have an equal sign and equations do
How are equations and expression similar?
Equations are made from expressions.
How can you solve problems involving equivalent expressions?
In the same way that you would solve equations because equivalent expressions are in effect equations
Do algebraic expressions have equals signs?
no algebraic expressions do not have equal signs but equations do.
What are the solutions to -x squared plus 2x plus 4 and x-2?
These are two expressions, not equations. Expressions do not have solutions, only equations do. NB equations include the equals sign.
How are word problems with equations different from word problems with expressions?
It may be possible to solve equations. Expressions cannot be solved until they are converted, with additional information, into equations or inequalities which may have solutions.
What is the same about expressions and equations?
They both have numbers and symbols
Equations that contain rational expressions?
a rational function.
What are the similarities between equations and expressions?
Both have a value
How are math expressions and math equations the same?
They are the same except equations use the equal sign =
Do expressions have addition?
They can, but don't have to.
