20x+x=70

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Solution for 20x+x=70 equation: 



20x+x=70

We move all terms to the left:

20x+x-(70)=0

We add all the numbers together, and all the variables

21x-70=0

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

21x=70

x=70/21

x=3+1/3

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