Resolver (- 2) ^ (k + 1) * (4 ^ 2) ^ k = (- 2) ^ 7 | Equatix - Math Solver

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Example

3(r+2s)=2t-4

a⋅(b-2)=3b

3(r+2s)=2t-4

a⋅(b-2)=3b

Question

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