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200-a=140 a=?

Guest Sep 27, 2017
 #1
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The question is.....    200  -  what number  =  140  ?

 

200 - a  =  140          Subtract 140  from both sides.

 

200 - 140 - a  =  140 - 140

           60 - a  =  0                   Add  a  to both sides.

           60       =  a

 

a  =  60

hectictar  Sep 27, 2017
 #2
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a is obviously 80

Guest Sep 27, 2017

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