9=1-8x+4

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Solution for 9=1-8x+4 equation: 



9=1-8x+4

We move all terms to the left:

9-(1-8x+4)=0

We add all the numbers together, and all the variables

-(-8x+5)+9=0

We get rid of parentheses

8x-5+9=0

We add all the numbers together, and all the variables

8x+4=0

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

8x=-4

x=-4/8

x=-1/2

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