148=-4(3+5k)

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Solution for 148=-4(3+5k) equation: 



148=-4(3+5k)

We move all terms to the left:

148-(-4(3+5k))=0

We add all the numbers together, and all the variables

-(-4(5k+3))+148=0



We calculate terms in parentheses: -(-4(5k+3)), so:

-4(5k+3)

We multiply parentheses

-20k-12

Back to the equation:

-(-20k-12)



We get rid of parentheses

20k+12+148=0

We add all the numbers together, and all the variables

20k+160=0

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

20k=-160

k=-160/20

k=-8

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