5+4x=20-x

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



5+4x=20-x

We move all terms to the left:

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

We add all the numbers together, and all the variables

4x-(-1x+20)+5=0

We get rid of parentheses

4x+1x-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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