7a+1=4a-8

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



7a+1=4a-8

We move all terms to the left:

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

We get rid of parentheses

7a-4a+8+1=0

We add all the numbers together, and all the variables

3a+9=0

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

3a=-9

a=-9/3

a=-3

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