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You can use them to find a variable.
Lets say you have two equivalent expressions with the same variable...
x + 2x - 42 = 0
2x - 28 = 0
If you combine these equivalent expressions you ahve...
x + 2x - 42 = 2x - 28
In all of the expressions you have x = 7
There are also other applications but its confusing to explain.
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What is the definition of an equivalent variable expressions?
An equation if both expressions are equal
What is the definition of equivalent numerical expressions?
That means that the two expressions represent the same number.
When two expressions have the same value they are?
equivalent
States that two expressions are equivalent is called what?
equation
Expressions that have the same value are called?
They are equivalent fractions.
What are expressions that have the same value?
Equivalent expressions.
What is a mathematical sentence that shows how 2 expressions are equivalent?
the answer is a(n) equationequationWhen two expressions are equivalent they can form an equation.
What are expressions that denote the same numbers?
equivalent expressions
What is a statement that equates two equivalent expressions?
A statement that equates two equivalent expressions is called an Identity.
Which expressions are equivalent to 4b?
4b-b
What is the definition of an equivalent variable expressions?
An equation if both expressions are equal
How can you solve problems involving equivalent expressions?
In the same way that you would solve equations because equivalent expressions are in effect equations
What is the definition of equivalent numerical expressions?
That means that the two expressions represent the same number.
What are equivalent division expressions?
12%6
When two expressions have the same value they are?
equivalent
What are the equivalent expressions to 16 30?
8/15
States that two expressions are equivalent is called what?
equation
