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12=4/10x
We move all terms to the left:
12-(4/10x)=0
Domain of the equation: 10x)!=0We add all the numbers together, and all the variables
x!=0/1
x!=0
x∈R
-(+4/10x)+12=0
We get rid of parentheses
-4/10x+12=0
We multiply all the terms by the denominator
12*10x-4=0
Wy multiply elements
120x-4=0
We move all terms containing x to the left, all other terms to the right
120x=4
x=4/120
x=1/30
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