12=a+6-1

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Solution for 12=a+6-1 equation:



12=a+6-1
We move all terms to the left:
12-(a+6-1)=0
We add all the numbers together, and all the variables
-(a+5)+12=0
We get rid of parentheses
-a-5+12=0
We add all the numbers together, and all the variables
-1a+7=0
We move all terms containing a to the left, all other terms to the right
-a=-7
a=-7/-1
a=+7

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