Answer:
C, 4.
Step-by-step explanation:
Im not sure how to explain it, i just know that it's C! :))
<span>If M is the midpoint of CD, CM = 2x+3 and MD = 3x-6, then:
MD = CM
3x - 6 = </span>2x + 3
3x - 2x = 3 + 6
x = 9
CM = 2x+3 = 2*9+3 18+3 = 21
MD = CM = 21
CD = CM + MD = 21 + 21 = 42
How to solve ; -3m + 18 - 4 = 14. that equals -3m+14
Answer:
Step-by-step explanation:
- we put the value of m and n
<h2>then,</h2>




Hope it's help :D