7-(2a+3)=12

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Solution for 7-(2a+3)=12 equation:



7-(2a+3)=12
We move all terms to the left:
7-(2a+3)-(12)=0
We add all the numbers together, and all the variables
-(2a+3)-5=0
We get rid of parentheses
-2a-3-5=0
We add all the numbers together, and all the variables
-2a-8=0
We move all terms containing a to the left, all other terms to the right
-2a=8
a=8/-2
a=-4

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