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28=-x+263
We move all terms to the left:
28-(-x+263)=0
We add all the numbers together, and all the variables
-(-1x+263)+28=0
We get rid of parentheses
1x-263+28=0
We add all the numbers together, and all the variables
x-235=0
We move all terms containing x to the left, all other terms to the right
x=235
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