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55=x+62+43+57/4
We move all terms to the left:
55-(x+62+43+57/4)=0
We add all the numbers together, and all the variables
-(x+57/4+105)+55=0
We get rid of parentheses
-x-105+55-57/4=0
We multiply all the terms by the denominator
-x*4-57-105*4+55*4=0
We add all the numbers together, and all the variables
-x*4-257=0
Wy multiply elements
-4x-257=0
We move all terms containing x to the left, all other terms to the right
-4x=257
x=257/-4
x=-64+1/4
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