4x-(10-x)=20-x

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Solution for 4x-(10-x)=20-x equation: 



4x-(10-x)=20-x

We move all terms to the left:

4x-(10-x)-(20-x)=0

We add all the numbers together, and all the variables

4x-(-1x+10)-(-1x+20)=0

We get rid of parentheses

4x+1x+1x-10-20=0

We add all the numbers together, and all the variables

6x-30=0

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

6x=30

x=30/6

x=5

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