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.4/2x-12=18/4.5
We move all terms to the left:
.4/2x-12-(18/4.5)=0
Domain of the equation: 2x!=0We add all the numbers together, and all the variables
x!=0/2
x!=0
x∈R
.4/2x-12-4=0
We add all the numbers together, and all the variables
.4/2x-16=0
We multiply all the terms by the denominator
-16*2x+.4=0
We add all the numbers together, and all the variables
-16*2x+0.4=0
Wy multiply elements
-32x+0.4=0
We move all terms containing x to the left, all other terms to the right
-32x=-0.4
x=-0.4/-32
x=0.4/32
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