Hello, I do not anderstand this at all. I have been working on radicals and stuff, but this goes way above my head. Please help.
2 answers:
Answer:
x =
Step-by-step explanation:
We can start simplifying this equation by expanding the parenthesis and cross multiplying.
The exponent 5 and 7x are equal:
Divide both sides by 7
-Chetan K
Answer:
Step-by-step explanation:
<u>Use identities:</u>
<u>Solve as below:</u>
- (7ˣ)⁴ = 7² · 7³ / 7³ˣ
- 7⁴ˣ = 7⁵ / 7³ˣ
- 7⁴ˣ = 7⁵ ⁻ ³ˣ
- 4x = 5 - 3x
- 4x + 3x = 5
- 7x = 5
- x = 5/7
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