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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