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Solving Inequalities

See the video for a full explanation

Solve inequalities in one variable 

  • Solve 6x-7\leq 2x-3 and plot on a number line
    • 6x-7 \leq2x-3
    •     +7                 +7
    • 6x \leq 2x +4
    • -2x             -2x
    • \frac{4x}{4} \leq \frac{4}{4}
    • x \leq1

  • Solve -3x \leq 9 and plot on a number line
    • \frac{-3x}{-3} \leq \frac{9}{-3}
    • x\geq -3