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28-7x=10x+49
We move all terms to the left:
28-7x-(10x+49)=0
We get rid of parentheses
-7x-10x-49+28=0
We add all the numbers together, and all the variables
-17x-21=0
We move all terms containing x to the left, all other terms to the right
-17x=21
x=21/-17
x=-1+4/17
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