7a-3+4a-9=a+8-4a+1

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Solution for 7a-3+4a-9=a+8-4a+1 equation: 



7a-3+4a-9=a+8-4a+1

We move all terms to the left:

7a-3+4a-9-(a+8-4a+1)=0

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

11a-(-3a+9)-12=0

We get rid of parentheses

11a+3a-9-12=0

We add all the numbers together, and all the variables

14a-21=0

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

14a=21

a=21/14

a=1+1/2

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