278^3n-7=21^2n+5

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Solution for 278^3n-7=21^2n+5 equation: 



278^3n-7=21^2n+5

We move all terms to the left:

278^3n-7-(21^2n+5)=0

We get rid of parentheses

278^3n-21^2n-5-7=0

We add all the numbers together, and all the variables

278^3n-21^2n-12=0

We move all terms containing n to the left, all other terms to the right

278^3n-21^2n=12

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