5a+7=3a+9

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Solution for 5a+7=3a+9 equation: 



5a+7=3a+9

We move all terms to the left:

5a+7-(3a+9)=0

We get rid of parentheses

5a-3a-9+7=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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