3x+9=-10x-3

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Solution for 3x+9=-10x-3 equation: 



3x+9=-10x-3

We move all terms to the left:

3x+9-(-10x-3)=0

We get rid of parentheses

3x+10x+3+9=0

We add all the numbers together, and all the variables

13x+12=0

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

13x=-12

x=-12/13

x=-12/13

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