7a-3-4=5a+5-7+9

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Solution for 7a-3-4=5a+5-7+9 equation: 



7a-3-4=5a+5-7+9

We move all terms to the left:

7a-3-4-(5a+5-7+9)=0

We add all the numbers together, and all the variables

7a-(5a+7)-3-4=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

7a-5a-7-7=0

We add all the numbers together, and all the variables

2a-14=0

We move all terms containing a to the left, all other terms to the right

2a=14

a=14/2

a=7

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