What is the solution to the equation -(5-(a+1) ) = 9-(5-(2a-3) ) ?

label Algebra
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a = -5 

a = -3

a = 3

a = 5

Aug 31st, 2015

Thank you for the opportunity to help you with your question!

a = -5

-(5-(a+1)) = 9-(5-(2a-3))    Always do the inner-most parentheses first.  When distributing a minus sign to the parenthesis, the signs will be switched.  Example: 5-(2a-3) becomes 5-2a+3

-(5-a-1) = 9-(5-2a+3)   Now simplify what's in the parentheses on both sides of the equations.

-(4-a) = 9-(8-2a)   Distribute negative sign to what's inside the parenthesis.

-4+a = 1+2a  Subtract 'a' to the right side and subtract '1' to the left side.

-5 = a




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Aug 31st, 2015

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Aug 31st, 2015
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