Example

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

Question

$$9^{-1,b^{1}}$$

Answer

1/9,b

Solution


Use Negative Power Rule: \({x}^{-a}=\frac{1}{{x}^{a}}\).
\[\frac{1}{9},{b}^{1}\]
Use Rule of One: \({x}^{1}=x\).
\[\frac{1}{9},b\]
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