Justin17 Justin17

06-11-2015
Mathematics

contestada

k/2 + 9 = 30 What is k

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ari1471 ari1471

06-11-2015

K/2+9=30 1. Start by getting rid of the number farthest from K
-9 -9      2. The nines cancel out, 30-9=21
K/2 = 21   3. Next, get the 2 away from K
/-2 /-2 4. The 2 cancel out when divided, 21 divided by -2= -10.5
K = -10.5
K=-10.5

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