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Camryn Macdonald
Mathematics
17 April, 16:16
1/4 k = 3 (-1/4 k + 3)
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Cherish Ho
17 April, 16:41
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Simplify 1/4k to k/4
k/4 = 3 (-k/4 + 3)
Regroup terms
k/4 = 3 (3 - k/4)
Multiply both sides by 4
k = 12 (3 - k/4)
Expand
k = 36 - 3k
Add 3k to both sides
k + 3k = 36
Simplify k + 3k to 4k
4k = 36
Divide both sides by 4
k = 36/4
Simplify 36/4 to 9
k = 9
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