7+4x+4x=31

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Solution for 7+4x+4x=31 equation: 



7+4x+4x=31

We move all terms to the left:

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

We add all the numbers together, and all the variables

8x-24=0

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

8x=24

x=24/8

x=3

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