3-(x+8)+7x=20

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Solution for 3-(x+8)+7x=20 equation: 



3-(x+8)+7x=20

We move all terms to the left:

3-(x+8)+7x-(20)=0

We add all the numbers together, and all the variables

7x-(x+8)-17=0

We get rid of parentheses

7x-x-8-17=0

We add all the numbers together, and all the variables

6x-25=0

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

6x=25

x=25/6

x=4+1/6

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