Solve for x
x\geq -18
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-x-9\leq 9
Combine 8x and -9x to get -x.
-x\leq 9+9
Add 9 to both sides.
-x\leq 18
Add 9 and 9 to get 18.
x\geq -18
Divide both sides by -1. Since -1 is negative, the inequality direction is changed.
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Matrix
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Limits
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