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avatar+221 

A  2x+ 7 y

 

B ax-by=k

 

C 5+20=5^2

 

D 4x+7=22

 Mar 1, 2019
edited by raziel305  Mar 1, 2019
 #1
avatar+102948 
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A literal equation is one where we have several variables and we are trying to solve for one of them.....thus it's an "abstract" equation.....we are not trying to find a " numerical" answer

 

A is not an equation

C is an identity

D is a linear equation where we can find a numerical value for x 

 

B is the literal equation......we can solve for any variable [ either x or y ] in an abstract manner  

 

 

cool cool cool

 Mar 1, 2019
 #2
avatar+221 
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thanks math god

raziel305  Mar 1, 2019

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