3x+34+21-7x=0

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Solution for 3x+34+21-7x=0 equation: 



3x+34+21-7x=0

We add all the numbers together, and all the variables

-4x+55=0

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

-4x=-55

x=-55/-4

x=13+3/4

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