7(-2k+4)-6=7k+20

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Solution for 7(-2k+4)-6=7k+20 equation:



7(-2k+4)-6=7k+20
We move all terms to the left:
7(-2k+4)-6-(7k+20)=0
We multiply parentheses
-14k-(7k+20)+28-6=0
We get rid of parentheses
-14k-7k-20+28-6=0
We add all the numbers together, and all the variables
-21k+2=0
We move all terms containing k to the left, all other terms to the right
-21k=-2
k=-2/-21
k=2/21

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