8=100-20x

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Solution for 8=100-20x equation: 



8=100-20x

We move all terms to the left:

8-(100-20x)=0

We add all the numbers together, and all the variables

-(-20x+100)+8=0

We get rid of parentheses

20x-100+8=0

We add all the numbers together, and all the variables

20x-92=0

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

20x=92

x=92/20

x=4+3/5

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