Solve for x
x\leq -3
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x+15+2x\leq 6
Add 2x to both sides.
3x+15\leq 6
Combine x and 2x to get 3x.
3x\leq 6-15
Subtract 15 from both sides.
3x\leq -9
Subtract 15 from 6 to get -9.
x\leq \frac{-9}{3}
Divide both sides by 3. Since 3 is positive, the inequality direction remains the same.
x\leq -3
Divide -9 by 3 to get -3.
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Matrix
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Limits
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