21x+25=90

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Solution for 21x+25=90 equation: 



21x+25=90

We move all terms to the left:

21x+25-(90)=0

We add all the numbers together, and all the variables

21x-65=0

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

21x=65

x=65/21

x=3+2/21

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