If M is the midpoint of LN and LN =27.8 , find the length of MN . A) 13.8 B) 13.9 C ) 14.2 D) 14.5
2 answers:
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Pretend the greater than or equal to sign is an equal sign, we will substitute it back in later.
x/2 = -4
Multiply both sides by 2 to get x alone
x = -8
Substitute the greater than or equal to sign back in and voila!
x≥-8