+0  
 
+1
71
4
avatar+717 

which expression is not equivilent to 8+(n-4)?

 

 

(8+n)-4

 

 

n+4

 

 

(8-4)+n

 

 

12+n

SmartMathMan  Oct 14, 2018
 #1
avatar+316 
+1

12+n is different and find the reason why... :p

Dimitristhym  Oct 14, 2018
 #2
avatar+717 
+1

i can't it is too hard...but ill try

SmartMathMan  Oct 14, 2018
 #3
avatar+316 
0

I believe in you!

Dimitristhym  Oct 14, 2018
 #4
avatar+44 
+2

A logical solution to why 12+n is the correct answer to the problem is by subsituting a number to the original expression, lets say we subsitute 4, the expression simplifies to 8. Then we can check for all the other 4 answer choices if their expressions simplify to 8. After deductive reasoning, we are able to pinpoint that 12+n does NOT simplify to 8, which is the solution to the problem.

CalculatorUser  Oct 14, 2018

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