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5 April, 14:39
LN = 6x-5, LM = x + 7, and MN = 3x + 20 find MN
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Finn Ortega
5 April, 14:49
0
Answer: 68
Step-by-step explanation:
LM + MN = LN
x + 7 + 3x + 20 = 6x - 5
4x + 27 = 6x - 5
-4x - 4x
27 = 2x - 5
+5 + 5
32 = 2x
:2 : 2
16 = x
MN: 3x + 20
3 (16) + 20
48 + 20
68
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