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18x+78=281-78
We move all terms to the left:
18x+78-(281-78)=0
We add all the numbers together, and all the variables
18x+78-203=0
We add all the numbers together, and all the variables
18x-125=0
We move all terms containing x to the left, all other terms to the right
18x=125
x=125/18
x=6+17/18
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