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noname [10]
2 years ago
6

What valur of x makes the equation below true? 9^5 * 9^7=9^x

Mathematics
1 answer:
klasskru [66]2 years ago
8 0

Answer:

x=12

Step-by-step explanation:

(9^5)(9^7)=9^x

282429536481=9^x

<em>Step 1: Flip the equation.</em>

9^x=282429536481

<em>Step 2: Solve Exponent.</em>

9^x=282429536481

log(9^x)=log(282429536481)(Take log of both sides)

x*(log(9))=log(282429536481)

x=log(282429536481)/log(9)

x=12

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