21x-5=4x+9

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Solution for 21x-5=4x+9 equation: 



21x-5=4x+9

We move all terms to the left:

21x-5-(4x+9)=0

We get rid of parentheses

21x-4x-9-5=0

We add all the numbers together, and all the variables

17x-14=0

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

17x=14

x=14/17

x=14/17

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