129=5^x+4

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Solution for 129=5^x+4 equation: 



129=5^x+4

We move all terms to the left:

129-(5^x+4)=0

We get rid of parentheses

-5^x-4+129=0

We add all the numbers together, and all the variables

-5^x+125=0

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

-5^x=-125

x=-125/1

x=-125

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