Example

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

Question

$$(-2)^{k+1}\times(4^{2})^{k}=(-2)^{7}$$

Solve for k

$k = \frac{6}{5} = 1\frac{1}{5} = 1.2$

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