3x+4+2x=11+x-15

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Solution for 3x+4+2x=11+x-15 equation: 



3x+4+2x=11+x-15

We move all terms to the left:

3x+4+2x-(11+x-15)=0

We add all the numbers together, and all the variables

3x+2x-(x-4)+4=0

We add all the numbers together, and all the variables

5x-(x-4)+4=0

We get rid of parentheses

5x-x+4+4=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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