The solve for x calculator allows you to enter your problem and solve the equation to see the result. Solve in one variable or many.

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Rewriting $|x|-|y| \leq |x-y|$ and $||x|-y|| \leq |x-y|$. The item of Analysis that I find the most conceptually daunting at times is the notion of order $(\leq,\geq,<,>)$, and how certain sentences can be augmented into simpler forms.

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There are many ways of writing linear equations, but they usually have constants (like "2" or "c") and must have simple variables (like "x" or "y"). Examples: These are linear equations: y = 3x − 6

2018年12月18日 · $\begingroup$ How exactly do you plan to work from $|x − y|^2 ≤ (x − y)^2$ to the inequality to be proved? $\endgroup$ –

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x^{2}-x-6=0 -x+3\gt 2x+1 ; line\:(1,\:2),\:(3,\:1) f(x)=x^3 ; prove\:\tan^2(x)-\sin^2(x)=\tan^2(x)\sin^2(x) \frac{d}{dx}(\frac{3x+9}{2-x}) (\sin^2(\theta))' \sin(120)