7a-9=5a-7

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



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

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