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-1+7/9=x
We move all terms to the left:
-1+7/9-(x)=0
We add all the numbers together, and all the variables
-1x-1+7/9=0
We multiply all the terms by the denominator
-1x*9+7-1*9=0
We add all the numbers together, and all the variables
-1x*9-2=0
Wy multiply elements
-9x-2=0
We move all terms containing x to the left, all other terms to the right
-9x=2
x=2/-9
x=-2/9
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