3x+4=-1x+9

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Solution for 3x+4=-1x+9 equation: 



3x+4=-1x+9

We move all terms to the left:

3x+4-(-1x+9)=0

We get rid of parentheses

3x+1x-9+4=0

We add all the numbers together, and all the variables

4x-5=0

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

4x=5

x=5/4

x=1+1/4

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