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Sagot :
GIVEN:
We are given the following inequality;
[tex]3-\frac{x}{2}\ge15[/tex]Required;
To solve the inequality for x.
Step-by-step solution;
We begin by collecting like terms. Subtract 3 from both sides;
[tex]\begin{gathered} 3-3-\frac{x}{2}\ge15-3 \\ \\ -\frac{x}{2}\ge12 \end{gathered}[/tex]Now we cross multiply;
[tex]-x\ge24[/tex]We now multiply both sides of the inequality by -1.
Note that when an inequality is multiplied or divided by a negative value, then the inequality sign flips over.
Therefore;
[tex]\begin{gathered} -x\ge24 \\ \\ -x(-1)\ge24(-1) \\ \\ x\leq-24 \end{gathered}[/tex]ANSWER:
[tex]x\leq-24[/tex]
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