13x-4x=42-5x

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Solution for 13x-4x=42-5x equation: 



13x-4x=42-5x

We move all terms to the left:

13x-4x-(42-5x)=0

We add all the numbers together, and all the variables

13x-4x-(-5x+42)=0

We add all the numbers together, and all the variables

9x-(-5x+42)=0

We get rid of parentheses

9x+5x-42=0

We add all the numbers together, and all the variables

14x-42=0

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

14x=42

x=42/14

x=3

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