Solve for x
x<\frac{900}{31}
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3.1x<90
Anything plus zero gives itself.
x<\frac{90}{3.1}
Divide both sides by 3.1. Since 3.1 is positive, the inequality direction remains the same.
x<\frac{900}{31}
Expand \frac{90}{3.1} by multiplying both numerator and the denominator by 10.
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Matrix
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Limits
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