已知x满足2^2x+3-2^2x+1=48,求x
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已知x满足2^2x+3-2^2x+1=48,求x
![已知x满足2^2x+3-2^2x+1=48,求x](/uploads/image/z/19511089-25-9.jpg?t=%E5%B7%B2%E7%9F%A5x%E6%BB%A1%E8%B6%B32%5E2x%2B3-2%5E2x%2B1%3D48%2C%E6%B1%82x)
2^2x*2^3-2^2x*2=48
(2^3-2)*2^2x=48
2^2x=8=2^3
2x=3
x=3/2
(2^3-2)*2^2x=48
2^2x=8=2^3
2x=3
x=3/2
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