x-(-4x)=x-9

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Solution for x-(-4x)=x-9 equation: 



x-(-4x)=x-9

We move all terms to the left:

x-(-4x)-(x-9)=0

We get rid of parentheses

x+4x-x+9=0

We add all the numbers together, and all the variables

4x+9=0

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

4x=-9

x=-9/4

x=-2+1/4

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