5(1+3k)-7k=45

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Solution for 5(1+3k)-7k=45 equation: 



5(1+3k)-7k=45

We move all terms to the left:

5(1+3k)-7k-(45)=0

We add all the numbers together, and all the variables

5(3k+1)-7k-45=0

We add all the numbers together, and all the variables

-7k+5(3k+1)-45=0

We multiply parentheses

-7k+15k+5-45=0

We add all the numbers together, and all the variables

8k-40=0

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

8k=40

k=40/8

k=5

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