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-8x-12=-20*
We move all terms to the left:
-8x-12-(-20*)=0
We add all the numbers together, and all the variables
-8x-12-0=0
We add all the numbers together, and all the variables
-8x-12=0
We move all terms containing x to the left, all other terms to the right
-8x=12
x=12/-8
x=-1+1/2
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