7x+3-5x+4=-31

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Solution for 7x+3-5x+4=-31 equation: 



7x+3-5x+4=-31

We move all terms to the left:

7x+3-5x+4-(-31)=0

We add all the numbers together, and all the variables

2x+38=0

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

2x=-38

x=-38/2

x=-19

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