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Solve the equation
9 - x = 11

User Sachadso
by
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1 Answer

6 votes
To solve for x in the equation 9-x=11, you need to isolate x on one side of the equation.

One way to do this is to subtract 9 from both sides of the equation:

9 - x - 9 = 11 - 9

Simplifying the left side gives:

-x = 2

To isolate x, we can multiply both sides by -1:

-x * (-1) = 2 * (-1)

This gives:

x = -2

Therefore, the solution to the equation 9-x=11 is x = -2.
User Juan Reina Pascual
by
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