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(66+25)x=450+25x
We move all terms to the left:
(66+25)x-(450+25x)=0
We add all the numbers together, and all the variables
91x-(25x+450)=0
We get rid of parentheses
91x-25x-450=0
We add all the numbers together, and all the variables
66x-450=0
We move all terms containing x to the left, all other terms to the right
66x=450
x=450/66
x=6+9/11
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