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67x+30x=450+30x
We move all terms to the left:
67x+30x-(450+30x)=0
We add all the numbers together, and all the variables
67x+30x-(30x+450)=0
We add all the numbers together, and all the variables
97x-(30x+450)=0
We get rid of parentheses
97x-30x-450=0
We add all the numbers together, and all the variables
67x-450=0
We move all terms containing x to the left, all other terms to the right
67x=450
x=450/67
x=6+48/67
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