6a+21=-1

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Solution for 6a+21=-1 equation:



6a+21=-1
We move all terms to the left:
6a+21-(-1)=0
We add all the numbers together, and all the variables
6a+22=0
We move all terms containing a to the left, all other terms to the right
6a=-22
a=-22/6
a=-3+2/3

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