4x-9=77

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Solution for 4x-9=77 equation: 



4x-9=77

We move all terms to the left:

4x-9-(77)=0

We add all the numbers together, and all the variables

4x-86=0

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

4x=86

x=86/4

x=21+1/2

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