3x-4+4x-4=20

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Solution for 3x-4+4x-4=20 equation:



3x-4+4x-4=20
We move all terms to the left:
3x-4+4x-4-(20)=0
We add all the numbers together, and all the variables
7x-28=0
We move all terms containing x to the left, all other terms to the right
7x=28
x=28/7
x=4

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