2(7k+4)=-90

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Solution for 2(7k+4)=-90 equation: 



2(7k+4)=-90

We move all terms to the left:

2(7k+4)-(-90)=0

We add all the numbers together, and all the variables

2(7k+4)+90=0

We multiply parentheses

14k+8+90=0

We add all the numbers together, and all the variables

14k+98=0

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

14k=-98

k=-98/14

k=-7

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