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x=100-1/10
We move all terms to the left:
x-(100-1/10)=0
We add all the numbers together, and all the variables
x-(-1/10+100)=0
We get rid of parentheses
x-100+1/10=0
We multiply all the terms by the denominator
x*10+1-100*10=0
We add all the numbers together, and all the variables
x*10-999=0
Wy multiply elements
10x-999=0
We move all terms containing x to the left, all other terms to the right
10x=999
x=999/10
x=99+9/10
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