PLEASE HELP! solve for the unknown: (3x)^3=81^2x-5, 7^2x+1=49^3x-2,

asked Sep 15, 2021 28.3k views

1 vote

PLEASE HELP!
solve for the unknown: (3x)^3=81^2x-5, 7^2x+1=49^3x-2,

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7 votes

Answer:

this is my attempt, it might not be right, so please dont be mad if wrong

Explanation:

27 * x^3 = 6561x-5 , 49x + 1 = 117649x-2

SemperFi answered Sep 18, 2021

8.7k points

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