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49=3-10k
We move all terms to the left:
49-(3-10k)=0
We add all the numbers together, and all the variables
-(-10k+3)+49=0
We get rid of parentheses
10k-3+49=0
We add all the numbers together, and all the variables
10k+46=0
We move all terms containing k to the left, all other terms to the right
10k=-46
k=-46/10
k=-4+3/5
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