x+5=-4x+20

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Solution for x+5=-4x+20 equation: 



x+5=-4x+20

We move all terms to the left:

x+5-(-4x+20)=0

We get rid of parentheses

x+4x-20+5=0

We add all the numbers together, and all the variables

5x-15=0

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

5x=15

x=15/5

x=3

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