(2+x)4=28

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Solution for (2+x)4=28 equation:



(2+x)4=28
We move all terms to the left:
(2+x)4-(28)=0
We add all the numbers together, and all the variables
(x+2)4-28=0
We multiply parentheses
4x+8-28=0
We add all the numbers together, and all the variables
4x-20=0
We move all terms containing x to the left, all other terms to the right
4x=20
x=20/4
x=5

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