7-2(a-2)=9+a

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Solution for 7-2(a-2)=9+a equation:



7-2(a-2)=9+a
We move all terms to the left:
7-2(a-2)-(9+a)=0
We add all the numbers together, and all the variables
-2(a-2)-(a+9)+7=0
We multiply parentheses
-2a-(a+9)+4+7=0
We get rid of parentheses
-2a-a-9+4+7=0
We add all the numbers together, and all the variables
-3a+2=0
We move all terms containing a to the left, all other terms to the right
-3a=-2
a=-2/-3
a=2/3

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