2a+9=7-a+5

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Solution for 2a+9=7-a+5 equation:



2a+9=7-a+5
We move all terms to the left:
2a+9-(7-a+5)=0
We add all the numbers together, and all the variables
2a-(-1a+12)+9=0
We get rid of parentheses
2a+1a-12+9=0
We add all the numbers together, and all the variables
3a-3=0
We move all terms containing a to the left, all other terms to the right
3a=3
a=3/3
a=1

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