3(-7+k)=30

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Solution for 3(-7+k)=30 equation: 



3(-7+k)=30

We move all terms to the left:

3(-7+k)-(30)=0

We add all the numbers together, and all the variables

3(k-7)-30=0

We multiply parentheses

3k-21-30=0

We add all the numbers together, and all the variables

3k-51=0

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

3k=51

k=51/3

k=17

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