1000-x=100-9x

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Solution for 1000-x=100-9x equation:



1000-x=100-9x
We move all terms to the left:
1000-x-(100-9x)=0
We add all the numbers together, and all the variables
-x-(-9x+100)+1000=0
We add all the numbers together, and all the variables
-1x-(-9x+100)+1000=0
We get rid of parentheses
-1x+9x-100+1000=0
We add all the numbers together, and all the variables
8x+900=0
We move all terms containing x to the left, all other terms to the right
8x=-900
x=-900/8
x=-112+1/2

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