3x=-4x-20

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



3x=-4x-20

We move all terms to the left:

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

We get rid of parentheses

3x+4x+20=0

We add all the numbers together, and all the variables

7x+20=0

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

7x=-20

x=-20/7

x=-2+6/7

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