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7x=(17*13)
We move all terms to the left:
7x-((17*13))=0
We add all the numbers together, and all the variables
7x-(221)=0
We add all the numbers together, and all the variables
7x-221=0
We move all terms containing x to the left, all other terms to the right
7x=221
x=221/7
x=31+4/7
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