Answer :
Answer:
k = -7
Explanation:
−5(5 + 4k) − 2k = 129
Simplify both sides of the equation
−5(5 + 4k) − 2k = 129
(−5)(5) + (−5)(4k) + −2k = 129 (Distribute)
−25 + −20k + −2k = 129
(−20k + −2k) + (−25) = 129 (Combine Like Terms)
−22k + −25 = 129
−22k − 25 = 129
Add 25 to both sides
−22k − 25 + 25 = 129 + 25
−22k = 154
Divide both sides by -22
-22k / -22 = 154 / -22
k = -7
Answer:
k = -7
Explanation:
−5(5 + 4k) − 2k = 129
−5(5 + 4k) − 2k = 129
(−5)(5) + (−5)(4k) + −2k = 129
−25 + −20k + −2k = 129
(−20k + −2k) + (−25) = 129
−22k + −25 = 129
−22k − 25 = 129
−22k − 25 + 25 = 129 + 25
−22k = 154
k = -7
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