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-3(k-1)=2(-1-k)+2k
We move all terms to the left:
-3(k-1)-(2(-1-k)+2k)=0
We add all the numbers together, and all the variables
-3(k-1)-(2(-1k-1)+2k)=0
We multiply parentheses
-3k-(2(-1k-1)+2k)+3=0
We calculate terms in parentheses: -(2(-1k-1)+2k), so:We add all the numbers together, and all the variables
2(-1k-1)+2k
We add all the numbers together, and all the variables
2k+2(-1k-1)
We multiply parentheses
2k-2k-2
We add all the numbers together, and all the variables
-2
Back to the equation:
-(-2)
-3k+5=0
We move all terms containing k to the left, all other terms to the right
-3k=-5
k=-5/-3
k=1+2/3
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