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3 years ago

14

25

gn="absmiddle" class="latex-formula"> = 125x + 3

2 answers:

natulia [17]3 years ago

8 0

Answer:

x = -9

Step-by-step explanation:

25^x = 125 ^(x+3)

Rewriting

5^2^x = 5^3^(x+3)

We know a^b^c = a^(b*c)

5^(2x) = 5^(3(x+3))

5^(2x) = 5^(3x+9)

The bases are the same so the exponents are the same

2x = 3x+9

Subtract 3x from each side

2x-3x = 3x+9-3x

-x =9

x = -9

vodomira [7]3 years ago

8 0

Answer:

x is -9

Step-by-step explanation:

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