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0.8x-396.8=x-777
We move all terms to the left:
0.8x-396.8-(x-777)=0
We get rid of parentheses
0.8x-x+777-396.8=0
We add all the numbers together, and all the variables
-0.2x+380.2=0
We move all terms containing x to the left, all other terms to the right
-0.2x=-380.2
x=-380.2/-0.2
x=1900+0.19999999999999/0.2
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