3 years ago

Find the error in the problem below

Mathematics

1 answer:

qaws [65]3 years ago

7 0

Answer:

You aren't supposed to add 3k

Step-by-step explanation:

3k is a positve number. So instead of adding you have to subtract to be able to move on. Correct way shown below. Once you get this step wrong your answer will also be wrong. At the end you also need to divide

19-2k= 3k-1

-3k -3k

19-5k= -1

-19 -19

-5k= -20

-5/-5= -20/-5

k=4

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