Solve for x
x\geq 12
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4x\geq 104-56
Subtract 56 from both sides.
4x\geq 48
Subtract 56 from 104 to get 48.
x\geq \frac{48}{4}
Divide both sides by 4. Since 4 is positive, the inequality direction remains the same.
x\geq 12
Divide 48 by 4 to get 12.
Examples
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Matrix
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Simultaneous equation
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Limits
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