(3x-1)+(x+9)=0

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Solution for (3x-1)+(x+9)=0 equation: 



(3x-1)+(x+9)=0

We get rid of parentheses

3x+x-1+9=0

We add all the numbers together, and all the variables

4x+8=0

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

4x=-8

x=-8/4

x=-2

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