6+3a=a-1

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Solution for 6+3a=a-1 equation: 



6+3a=a-1

We move all terms to the left:

6+3a-(a-1)=0

We get rid of parentheses

3a-a+1+6=0

We add all the numbers together, and all the variables

2a+7=0

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

2a=-7

a=-7/2

a=-3+1/2

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