(2+x)6=78

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Solution for (2+x)6=78 equation: 



(2+x)6=78

We move all terms to the left:

(2+x)6-(78)=0

We add all the numbers together, and all the variables

(x+2)6-78=0

We multiply parentheses

6x+12-78=0

We add all the numbers together, and all the variables

6x-66=0

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

6x=66

x=66/6

x=11

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