Question

4^20 +4^20 = 2^x
find x​

Answer 1

4²⁰ +4²⁰ = 2^x

2×4²⁰ = 2^x

2×((2)²)²⁰ = 2^x

2⁴¹ =2^x

x= 41 ...is the answer

Answer 2

Answer:

${4}^{20} + {4}^{20} = {2}^{x} \\ = {2}^{20 \times 2} + {2}^{20 \times 2} = {2}^{x} \\ 20 \times 2 + 20 \times 2 = x \\ = 40 + 40 = x \\ = x = 80 \\ ur \: answer \:$

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