-123=4(2-7k)

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Solution for -123=4(2-7k) equation: 



-123=4(2-7k)

We move all terms to the left:

-123-(4(2-7k))=0

We add all the numbers together, and all the variables

-(4(-7k+2))-123=0



We calculate terms in parentheses: -(4(-7k+2)), so:

4(-7k+2)

We multiply parentheses

-28k+8

Back to the equation:

-(-28k+8)



We get rid of parentheses

28k-8-123=0

We add all the numbers together, and all the variables

28k-131=0

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

28k=131

k=131/28

k=4+19/28

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