Question

4 power 2x-y=64
2 power x+y=128
find the x=? y=?
solve this problem ​

Answer 1

${4}^{2x - y} = 64 \\ {2}^{2(2x - y)} = {2}^{6} \\ \\ {2}^{x + y} = 128 \\ {2}^{x + y} = {2}^{7} \\ \\ 4x - 2y = 6 \\ x + y = 7$

Not sure on the rest

Answer 2

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