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-\frac{7}{4}-\frac{-7}{4}
Fraction \frac{-7}{4} can be rewritten as -\frac{7}{4} by extracting the negative sign.
-\frac{7}{4}-\left(-\frac{7}{4}\right)
Fraction \frac{-7}{4} can be rewritten as -\frac{7}{4} by extracting the negative sign.
-\frac{7}{4}+\frac{7}{4}
The opposite of -\frac{7}{4} is \frac{7}{4}.
0
Add -\frac{7}{4} and \frac{7}{4} to get 0.
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Simultaneous equation
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Limits
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