21x+5=80

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Solution for 21x+5=80 equation: 



21x+5=80

We move all terms to the left:

21x+5-(80)=0

We add all the numbers together, and all the variables

21x-75=0

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

21x=75

x=75/21

x=3+4/7

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