4+2(5-7k)=42

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Solution for 4+2(5-7k)=42 equation:



4+2(5-7k)=42
We move all terms to the left:
4+2(5-7k)-(42)=0
We add all the numbers together, and all the variables
2(-7k+5)+4-42=0
We add all the numbers together, and all the variables
2(-7k+5)-38=0
We multiply parentheses
-14k+10-38=0
We add all the numbers together, and all the variables
-14k-28=0
We move all terms containing k to the left, all other terms to the right
-14k=28
k=28/-14
k=-2

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