4x+x=-8x+9

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Solution for 4x+x=-8x+9 equation: 



4x+x=-8x+9

We move all terms to the left:

4x+x-(-8x+9)=0

We add all the numbers together, and all the variables

5x-(-8x+9)=0

We get rid of parentheses

5x+8x-9=0

We add all the numbers together, and all the variables

13x-9=0

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

13x=9

x=9/13

x=9/13

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