Solve for x
x\leq -\frac{19}{13}
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13x\leq -4-15
Subtract 15 from both sides.
13x\leq -19
Subtract 15 from -4 to get -19.
x\leq -\frac{19}{13}
Divide both sides by 13. Since 13 is positive, the inequality direction remains the same.
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