640+26x=1420

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Solution for 640+26x=1420 equation: 



640+26x=1420

We move all terms to the left:

640+26x-(1420)=0

We add all the numbers together, and all the variables

26x-780=0

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

26x=780

x=780/26

x=30

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