12a+7=8a-1

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Solution for 12a+7=8a-1 equation:



12a+7=8a-1
We move all terms to the left:
12a+7-(8a-1)=0
We get rid of parentheses
12a-8a+1+7=0
We add all the numbers together, and all the variables
4a+8=0
We move all terms containing a to the left, all other terms to the right
4a=-8
a=-8/4
a=-2

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