Solve for x
x\leq 18
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x\leq 6\times 3
Multiply both sides by 3. Since 3 is positive, the inequality direction remains the same.
x\leq 18
Multiply 6 and 3 to get 18.
Examples
Quadratic equation
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Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
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Matrix
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Simultaneous equation
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Limits
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