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Basic Math
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Example
3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b
Question
$$2x+1\ge0$$
Solve for x
$x\geq -\frac{1}{2}$
Solution Steps
Subtract $1$ from both sides. Anything subtracted from zero gives its negation.
$$2x\geq -1$$
Divide both sides by $2$. Since $2$ is positive, the inequality direction remains the same.
$$x\geq -\frac{1}{2}$$
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