3x+7=-x-4

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Solution for 3x+7=-x-4 equation: 



3x+7=-x-4

We move all terms to the left:

3x+7-(-x-4)=0

We add all the numbers together, and all the variables

3x-(-1x-4)+7=0

We get rid of parentheses

3x+1x+4+7=0

We add all the numbers together, and all the variables

4x+11=0

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

4x=-11

x=-11/4

x=-2+3/4

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