a)

4

^{x+2}= 64^{x}(2

^{2})^{x+2}= (2^{7})^{x}2

^{2x+4}= 2^{7x}2x + 4 = 7x

4 = 5x

4/5 = x

Follow this method for the next two.

d)

Roots are irrational and imaginary.

Austin R.

asked • 06/17/161.solve for x

a)4^{x+2}=64^{x}

b)(1/8)^{2x+1} = 32 ^{x-3}

c) 3^{5x }=27^{x-1}

d)x^{x-2}=5^{x}

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a)

4^{x+2} = 64^{x}

(2^{2})^{x+2} = (2^{7})^{x}

2^{2x+4} = 2^{7x}

2x + 4 = 7x

4 = 5x

4/5 = x

Follow this method for the next two.

d)

Roots are irrational and imaginary.

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