Solve for x
x=0
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x-9-7x=-9
Subtract 7x from both sides.
-6x-9=-9
Combine x and -7x to get -6x.
-6x=-9+9
Add 9 to both sides.
-6x=0
Add -9 and 9 to get 0.
x=0
Product of two numbers is equal to 0 if at least one of them is 0. Since -6 is not equal to 0, x must be equal to 0.
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