35k+70(7-k)=385

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Solution for 35k+70(7-k)=385 equation: 



35k+70(7-k)=385

We move all terms to the left:

35k+70(7-k)-(385)=0

We add all the numbers together, and all the variables

35k+70(-1k+7)-385=0

We multiply parentheses

35k-70k+490-385=0

We add all the numbers together, and all the variables

-35k+105=0

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

-35k=-105

k=-105/-35

k=+3

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