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In the question "-7 + 9 = x + 5 (-3)", is the question asking to minus (-3) from 5 or multiply 5 by (-3)? The ( ) formatting for negative numbers is a little confusing.

Guest Mar 12, 2017
 #1
avatar+92806 
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YES I agree, sometimes the presentation is more confusing than necessary and I do not like it when multiply signs are left out for no good reason.

 

But

when a number is jambed up against an open bracket there is always an invisiable multiply sign.

so

-7 + 9 = x + 5 (-3)

means

-7 + 9 = x + 5 *(-3)

 

2        =  x  - 15

17      =  x

x       =  17

Melody  Mar 12, 2017
 #2
avatar
+5

Thank you, I thought it was mutiply but I wasn't sure since it trys to trick you with the negative brackets a lot.

Guest Mar 12, 2017

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