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(-9-7x)/1=3
We move all terms to the left:
(-9-7x)/1-(3)=0
We add all the numbers together, and all the variables
(-7x-9)/1-3=0
We multiply all the terms by the denominator
(-7x-9)-3*1=0
We add all the numbers together, and all the variables
(-7x-9)-3=0
We get rid of parentheses
-7x-9-3=0
We add all the numbers together, and all the variables
-7x-12=0
We move all terms containing x to the left, all other terms to the right
-7x=12
x=12/-7
x=-1+5/7
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