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12-3x=4+-2
We move all terms to the left:
12-3x-(4+-2)=0
We add all the numbers together, and all the variables
-3x+12-2=0
We add all the numbers together, and all the variables
-3x+10=0
We move all terms containing x to the left, all other terms to the right
-3x=-10
x=-10/-3
x=3+1/3
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