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-9/4x=4
We move all terms to the left:
-9/4x-(4)=0
Domain of the equation: 4x!=0We multiply all the terms by the denominator
x!=0/4
x!=0
x∈R
-4*4x-9=0
Wy multiply elements
-16x-9=0
We move all terms containing x to the left, all other terms to the right
-16x=9
x=9/-16
x=-9/16
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