5x+9=x-129

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Solution for 5x+9=x-129 equation: 



5x+9=x-129

We move all terms to the left:

5x+9-(x-129)=0

We get rid of parentheses

5x-x+129+9=0

We add all the numbers together, and all the variables

4x+138=0

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

4x=-138

x=-138/4

x=-34+1/2

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