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6x+30=-39+12
We move all terms to the left:
6x+30-(-39+12)=0
We add all the numbers together, and all the variables
6x+30-(-27)=0
We add all the numbers together, and all the variables
6x+57=0
We move all terms containing x to the left, all other terms to the right
6x=-57
x=-57/6
x=-9+1/2
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