+0  
 
0
104
5
avatar+769 

help

 Nov 12, 2018

Best Answer 

 #1
avatar+316 
+2

This means x - y= The difference so 

\(x - (-9) = -74 <=> x= -74 - 9 = -83 \)

so the number is \(-83\)

 

Hope this helps! 

 Nov 12, 2018
 #1
avatar+316 
+2
Best Answer

This means x - y= The difference so 

\(x - (-9) = -74 <=> x= -74 - 9 = -83 \)

so the number is \(-83\)

 

Hope this helps! 

Dimitristhym Nov 12, 2018
 #2
avatar+769 
0

i think you have to add to move the -9 over. so 9 plus -74. am i right? im confused.

SmartMathMan  Nov 12, 2018
edited by Guest  Nov 12, 2018
 #3
avatar+316 
+1

No its :

\(x - (-9) = -74 <=>x +9 = -74 \) we remove from both parts the 9 so \(x +9 -9 = -74 - 9 <=> x=-83\)

 

Now you understand it? 

Dimitristhym  Nov 12, 2018
edited by Dimitristhym  Nov 12, 2018
 #4
avatar+769 
+1

I understand it now. Thanks for helping me.

SmartMathMan  Nov 12, 2018
 #5
avatar+316 
+1

You're welcome!

Dimitristhym  Nov 12, 2018

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