Operations That Undo Each Other
Using changed operations to solve equations
Inverse operations disengage each other
Changed operations are operations that are opposite or "undo" each other.
For instance, improver undoes subtraction and division undoes multiplication.
Inverse operations are useful when solving equations.
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Inverse operation examples:
Add-on/Subtraction ???x+3-3=x???
Multiplication/Division ???x\cdot3\div3=x???
Exponents/Roots ???\sqrt{x^2}=10???
How to use inverse operations to solve equations
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To use an inverse operation, just do the opposite of what the equation says!
Example
Employ inverse operations to complete the equation.
???2+7\quad?\quad=7???
In this example ???2??? is existence added to ???vii???, to undo that operation we demand to subtract by ???ii???.
???2+7-two=7???
Simplify to testify that the equation is true.
???2-2+vii=vii???
???0+seven=7???
???7=seven???
Let's attempt another example of inverse operations.
Inverse operations are operations that are opposite or "disengage" each other.
For example, addition undoes subtraction and division undoes multiplication.
Case
Use inverse operations to complete the equation.
???4\cdot3\quad?\quad=4???
In this example ???4??? is being multiplied by ???3???, to undo that functioning we need to carve up by ???3???.
???4\cdot3\div3=4???
Simplify to show that the equation is true.
???4\cdot1=4???
???four=4???
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Operations That Undo Each Other,
Source: https://www.kristakingmath.com/blog/inverse-operations
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