21+25x=45+13x

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Solution for 21+25x=45+13x equation: 



21+25x=45+13x

We move all terms to the left:

21+25x-(45+13x)=0

We add all the numbers together, and all the variables

25x-(13x+45)+21=0

We get rid of parentheses

25x-13x-45+21=0

We add all the numbers together, and all the variables

12x-24=0

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

12x=24

x=24/12

x=2

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