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-9/13x=18
We move all terms to the left:
-9/13x-(18)=0
Domain of the equation: 13x!=0We multiply all the terms by the denominator
x!=0/13
x!=0
x∈R
-18*13x-9=0
Wy multiply elements
-234x-9=0
We move all terms containing x to the left, all other terms to the right
-234x=9
x=9/-234
x=-1/26
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