taraliette taraliette

06-03-2020
Mathematics

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Point M is the midpoint of AB. AM = 3x +3, and AB = 8x – 6.
What is the length of AM ?
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lisee787 lisee787

09-03-2020

Answer: AM=21

Step-by-step explanation:2AM = AB

2(3x+3)= 6x+6

So 6x+6= 8x-6

-6x. =-6x

X' cancel. 6= 2x-6

+6 =. +6

12= 2x

Divide by 2. 6=X

Check 2(3(6)+3). AB = 6x+6. 6(6)+6. 36+6=42

2(18+3)

2(21)=42

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