Solve for x
x=0
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10x-1-20x=-1
Subtract 20x from both sides.
-10x-1=-1
Combine 10x and -20x to get -10x.
-10x=-1+1
Add 1 to both sides.
-10x=0
Add -1 and 1 to get 0.
x=0
Product of two numbers is equal to 0 if at least one of them is 0. Since -10 is not equal to 0, x must be equal to 0.
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