Answer:
K= -5
Steps:
Put together like terms
-5k + 2k = 40 - 25
-3k = 40 - 25
-3k = -15
Divide both sides by -3
Then you get your answer.
Explanation:
Step 1: Add 5k to both sides
-5k + 25 + 5k = 40 - 2k + 5k
25 = 40 + 3k
Step 2: Subtract 40 from both sides
25 - 40 = 40 + 3k - 40
-15 = 3k
Step 3: Divide both sides by 3
-15 / 3 = 3k / 3
-5 = k
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