21x=801-21x

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Solution for 21x=801-21x equation: 



21x=801-21x

We move all terms to the left:

21x-(801-21x)=0

We add all the numbers together, and all the variables

21x-(-21x+801)=0

We get rid of parentheses

21x+21x-801=0

We add all the numbers together, and all the variables

42x-801=0

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

42x=801

x=801/42

x=19+1/14

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