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-191=-7(8-7k)-4
We move all terms to the left:
-191-(-7(8-7k)-4)=0
We add all the numbers together, and all the variables
-(-7(-7k+8)-4)-191=0
We calculate terms in parentheses: -(-7(-7k+8)-4), so:We get rid of parentheses
-7(-7k+8)-4
We multiply parentheses
49k-56-4
We add all the numbers together, and all the variables
49k-60
Back to the equation:
-(49k-60)
-49k+60-191=0
We add all the numbers together, and all the variables
-49k-131=0
We move all terms containing k to the left, all other terms to the right
-49k=131
k=131/-49
k=-2+33/49
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