4(k+5)=40

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Solution for 4(k+5)=40 equation: 



4(k+5)=40

We move all terms to the left:

4(k+5)-(40)=0

We multiply parentheses

4k+20-40=0

We add all the numbers together, and all the variables

4k-20=0

We move all terms containing k to the left, all other terms to the right

4k=20

k=20/4

k=5

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