Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$520=\frac{20}{2}[2\times5+(20-1)^{-}]$$

Answer

[No Solution]

Solution


Simplify  \(20-1\)  to  \(19\).
520=202\(2\times 5+{19}^{-}\)
Use Negative Power Rule: \({x}^{-a}=\frac{1}{{x}^{a}}\).
520=202\(2\times 5+\frac{1}{{19}^{}}\)
Since \(520=202\(2\times 5+\frac{1}{{19}^{}}\\) is false, there is no solution.
No Solution
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