21-5x=4x-5

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



21-5x=4x-5

We move all terms to the left:

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

We get rid of parentheses

-5x-4x+5+21=0

We add all the numbers together, and all the variables

-9x+26=0

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

-9x=-26

x=-26/-9

x=2+8/9

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