3x+4=-4x+20

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Solution for 3x+4=-4x+20 equation: 



3x+4=-4x+20

We move all terms to the left:

3x+4-(-4x+20)=0

We get rid of parentheses

3x+4x-20+4=0

We add all the numbers together, and all the variables

7x-16=0

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

7x=16

x=16/7

x=2+2/7

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