3 years ago

Solve for k. 18 = 10 + 2k k =

Mathematics

1 answer:

slavikrds [6]3 years ago

7 0

18 = 10 + 2k

move 10 to the other side

sign changes from +10 to -10

18-10=10-10+2k

18-10= 2k

8= 2k

divide by 2 to get k by itself

8/2= 2k/2

Cross out 2 and 2 , divide by 2 and then becomes 1*1*k= k

k=8/2

Answer: k= 4

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