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White raven [17]
2 years ago
14

Solve for x: 81^ x-4=9^3xShow all work for brainliest

Mathematics
2 answers:
zalisa [80]2 years ago
7 0

Answer:

X=-8

Step-by-step explanation:

81^(x-4)=9^3x

(9^2)^(x-4)=9^3x

9^(2x-8)=9^3x

Same base socompare both sides

So 2x-8=3x

2x-3x=8

-x=8

X=-8

So the value of X is -8

guajiro [1.7K]2 years ago
5 0

Answer:

Solve for x by simplifying both sides of the equation, then isolating the variable.x≈−0.00413995,1.6090059

Step-by-step explanation:

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