15x-9=45-3x

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Solution for 15x-9=45-3x equation: 



15x-9=45-3x

We move all terms to the left:

15x-9-(45-3x)=0

We add all the numbers together, and all the variables

15x-(-3x+45)-9=0

We get rid of parentheses

15x+3x-45-9=0

We add all the numbers together, and all the variables

18x-54=0

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

18x=54

x=54/18

x=3

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