-3(7+k)-7=4(1-4k)

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Solution for -3(7+k)-7=4(1-4k) equation: 



-3(7+k)-7=4(1-4k)

We move all terms to the left:

-3(7+k)-7-(4(1-4k))=0

We add all the numbers together, and all the variables

-3(k+7)-(4(-4k+1))-7=0

We multiply parentheses

-3k-(4(-4k+1))-21-7=0



We calculate terms in parentheses: -(4(-4k+1)), so:

4(-4k+1)

We multiply parentheses

-16k+4

Back to the equation:

-(-16k+4)



We add all the numbers together, and all the variables

-3k-(-16k+4)-28=0

We get rid of parentheses

-3k+16k-4-28=0

We add all the numbers together, and all the variables

13k-32=0

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

13k=32

k=32/13

k=2+6/13

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