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Answered by
2
Answer:
x = 5/2
Step-by-step explanation:
4^x - 4 ^x-1 = 24
4^x ( 1 - 4^-1 ) =24
4^x X 3/4= 24
(2^2)^x = 32
2^2x = 2^5
2x = 5
x = 5/2
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Answered by
1
Answer:
x = 5/2
Step-by-step explanation:
4ANSWER
4× - 4 power ( x-1 ) = 24
we can write 4 power ( x-1) as 4×÷4¹ ( because we know if bases are same and they are dividing then powers get subtracted. )
4× - 4×÷4¹ = 24
taking 4× common :
4× ( 1 - 1÷4 ) = 24
4×( 3÷4) =24
4× = 24 x 4 ÷3
4× = 32
(2)²× = 2⁵
2x = 5 ( bases are same power will also be same.
x = 5÷2
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