9=10-1/2x

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Solution for 9=10-1/2x equation:



9=10-1/2x
We move all terms to the left:
9-(10-1/2x)=0
Domain of the equation: 2x)!=0
x!=0/1
x!=0
x∈R
We add all the numbers together, and all the variables
-(-1/2x+10)+9=0
We get rid of parentheses
1/2x-10+9=0
We multiply all the terms by the denominator
-10*2x+9*2x+1=0
Wy multiply elements
-20x+18x+1=0
We add all the numbers together, and all the variables
-2x+1=0
We move all terms containing x to the left, all other terms to the right
-2x=-1
x=-1/-2
x=1/2

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