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-2(x+3)-5(2x-1)=12
We move all terms to the left:
-2(x+3)-5(2x-1)-(12)=0
We multiply parentheses
-2x-10x-6+5-12=0
We add all the numbers together, and all the variables
-12x-13=0
We move all terms containing x to the left, all other terms to the right
-12x=13
x=13/-12
x=-1+1/12
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