Number 5 please help

asked Mar 22, 2020 195k views

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1 vote

$15k+1100=12k+20015k+1100=12k+200 \:$
15k+1100−12k=200

3k+1100=200

3k=200-1100

3k= -900

k = -900/3

k = -300

Shimshon answered Mar 27, 2020

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